HONEYWELL 39HM165 Micro Switch™ HM Series Hermetic Sealed Basic Switch
The HONEYWELL 39HM165 is a high-performance, hermetically sealed SPDT switch designed for demanding applications across aerospace, military, industrial, and space environments. Manufactured in the US, this switch offers exceptional durability and reliability in extreme conditions.
Product Features
Hermetically sealed to MIL-PRF-8805 standards, ensuring protection against dust, water, corrosive gases, and particulate contaminants
Available with MIL-PRF-8805 qualification and UL 508 certification for industrial and transportation applications
Compact miniature package suitable for space-constrained environments
Electrical ratings up to 4 A at 28 VDC and 115 VAC, 400 Hz
SPDT circuitry with silver or gold contact options for low energy or power duty loads
Operates reliably over a wide temperature range from -184 °C to 260 °C (-300 °F to 500 °F)
Mechanical endurance of at least 25,000 operations
Designed with stainless steel housing for enhanced durability
Multiple actuator options including straight leaf, roller leaf, straight lever, and roller lever
Wire leads or through-hole solder posts for versatile electrical connections
Technical Specifications
Characteristic
Details
Description
Hermetic sealed miniature snap-action switch
Housing material
300 series stainless steel
Mechanical endurance
25,000 operations minimum
Electrical endurance
25,000 operations minimum
Dielectric voltage (initial)
1000 Vrms for 1 minute
Circuitry
SPDT
Contact material
Silver, gold, or gold bifurcated
Electrical rating
Up to 4 A at 28 VDC
Sealing
Symbol 5 hermetic seal to MIL-PRF-8805
Temperature range
-65 °C to 121 °C (standard), optional -184 °C to 260 °C
Vibration
15 g, 10 to 2000 Hz
Mechanical shock
100 G, sawtooth shock type M
Approvals
MIL-PRF-8805, UL 508
Applications
Military aircraft and helicopters: landing gear, engine fuel valves, external hatches
Commercial aircraft: hatch and door position, HVAC, waste management, oxygen valves
Spacecraft: external hatch and door status, engine valves
Industrial: pressure, temperature, and flow switches in power generation, oil, and gas sectors
Ground support equipment: valve, door, and panel position monitoring
{"id":10028313674045,"title":"39HM165","handle":"39hm165","description":"\u003ch3\u003eHONEYWELL 39HM165 Micro Switch™ HM Series Hermetic Sealed Basic Switch\u003c\/h3\u003e\n\n\u003cp\u003eThe HONEYWELL 39HM165 is a high-performance, hermetically sealed SPDT switch designed for demanding applications across aerospace, military, industrial, and space environments. Manufactured in the US, this switch offers exceptional durability and reliability in extreme conditions.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eHermetically sealed to MIL-PRF-8805 standards, ensuring protection against dust, water, corrosive gases, and particulate contaminants\u003c\/li\u003e\n \u003cli\u003eAvailable with MIL-PRF-8805 qualification and UL 508 certification for industrial and transportation applications\u003c\/li\u003e\n \u003cli\u003eCompact miniature package suitable for space-constrained environments\u003c\/li\u003e\n \u003cli\u003eElectrical ratings up to 4 A at 28 VDC and 115 VAC, 400 Hz\u003c\/li\u003e\n \u003cli\u003eSPDT circuitry with silver or gold contact options for low energy or power duty loads\u003c\/li\u003e\n \u003cli\u003eOperates reliably over a wide temperature range from -184 °C to 260 °C (-300 °F to 500 °F)\u003c\/li\u003e\n \u003cli\u003eMechanical endurance of at least 25,000 operations\u003c\/li\u003e\n \u003cli\u003eDesigned with stainless steel housing for enhanced durability\u003c\/li\u003e\n \u003cli\u003eMultiple actuator options including straight leaf, roller leaf, straight lever, and roller lever\u003c\/li\u003e\n \u003cli\u003eWire leads or through-hole solder posts for versatile electrical connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eCharacteristic\u003c\/th\u003e\n \u003cth\u003eDetails\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eDescription\u003c\/td\u003e\n \u003ctd\u003eHermetic sealed miniature snap-action switch\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eHousing material\u003c\/td\u003e\n \u003ctd\u003e300 series stainless steel\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMechanical endurance\u003c\/td\u003e\n \u003ctd\u003e25,000 operations minimum\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eElectrical endurance\u003c\/td\u003e\n \u003ctd\u003e25,000 operations minimum\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eDielectric voltage (initial)\u003c\/td\u003e\n \u003ctd\u003e1000 Vrms for 1 minute\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eCircuitry\u003c\/td\u003e\n \u003ctd\u003eSPDT\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eContact material\u003c\/td\u003e\n \u003ctd\u003eSilver, gold, or gold bifurcated\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eElectrical rating\u003c\/td\u003e\n \u003ctd\u003eUp to 4 A at 28 VDC\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSealing\u003c\/td\u003e\n \u003ctd\u003eSymbol 5 hermetic seal to MIL-PRF-8805\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTemperature range\u003c\/td\u003e\n \u003ctd\u003e-65 °C to 121 °C (standard), optional -184 °C to 260 °C\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eVibration\u003c\/td\u003e\n \u003ctd\u003e15 g, 10 to 2000 Hz\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMechanical shock\u003c\/td\u003e\n \u003ctd\u003e100 G, sawtooth shock type M\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eApprovals\u003c\/td\u003e\n \u003ctd\u003eMIL-PRF-8805, UL 508\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eMilitary aircraft and helicopters: landing gear, engine fuel valves, external hatches\u003c\/li\u003e\n \u003cli\u003eCommercial aircraft: hatch and door position, HVAC, waste management, oxygen valves\u003c\/li\u003e\n \u003cli\u003eSpacecraft: external hatch and door status, engine valves\u003c\/li\u003e\n \u003cli\u003eIndustrial: pressure, temperature, and flow switches in power generation, oil, and gas sectors\u003c\/li\u003e\n \u003cli\u003eGround support equipment: valve, door, and panel position monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePart Number: 39HM165\u003c\/li\u003e\n \u003cli\u003eManufacturer: HONEYWELL\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: US\u003c\/li\u003e\n \u003cli\u003eUnit of Measure: EA\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n \u003cli\u003ePackage Type: Not specified\u003c\/li\u003e\n \u003cli\u003eDatasheet: \u003ca href=\"https:\/\/prod-edam.honeywell.com\/content\/dam\/honeywell-edam\/sps\/siot\/en-us\/products\/switches\/sealed-switches\/hm-series\/documents\/sps-siot-micro-switch-hm-hermetic-basic-product-sheet-003123-2-en-ciid-154705.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eNote: Datasheet was not processed; please search the internet for the part number for more details.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-16T09:25:42+05:30","created_at":"2025-08-16T09:25:42+05:30","vendor":"Waldom Electonics","type":"Switches","tags":["115VAC","28VDC","3A","HWLL","IMPORT_CSV","IMPORT_PT2","Snap","SPDT","STD_IMG","Switch","WLDM"],"price":15113210,"price_min":15113210,"price_max":15113210,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":50627142910269,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"39HM165","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"39HM165","public_title":null,"options":["Default Title"],"price":15113210,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"39HM165","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_4e8ed554-f53a-4ab7-a001-199b7adf9b19.jpg?v=1755316544"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_4e8ed554-f53a-4ab7-a001-199b7adf9b19.jpg?v=1755316544","options":["Title"],"media":[{"alt":null,"id":45866458906941,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1024,"width":1024,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_4e8ed554-f53a-4ab7-a001-199b7adf9b19.jpg?v=1755316544"},"aspect_ratio":1.0,"height":1024,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_4e8ed554-f53a-4ab7-a001-199b7adf9b19.jpg?v=1755316544","width":1024}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eHONEYWELL 39HM165 Micro Switch™ HM Series Hermetic Sealed Basic Switch\u003c\/h3\u003e\n\n\u003cp\u003eThe HONEYWELL 39HM165 is a high-performance, hermetically sealed SPDT switch designed for demanding applications across aerospace, military, industrial, and space environments. Manufactured in the US, this switch offers exceptional durability and reliability in extreme conditions.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eHermetically sealed to MIL-PRF-8805 standards, ensuring protection against dust, water, corrosive gases, and particulate contaminants\u003c\/li\u003e\n \u003cli\u003eAvailable with MIL-PRF-8805 qualification and UL 508 certification for industrial and transportation applications\u003c\/li\u003e\n \u003cli\u003eCompact miniature package suitable for space-constrained environments\u003c\/li\u003e\n \u003cli\u003eElectrical ratings up to 4 A at 28 VDC and 115 VAC, 400 Hz\u003c\/li\u003e\n \u003cli\u003eSPDT circuitry with silver or gold contact options for low energy or power duty loads\u003c\/li\u003e\n \u003cli\u003eOperates reliably over a wide temperature range from -184 °C to 260 °C (-300 °F to 500 °F)\u003c\/li\u003e\n \u003cli\u003eMechanical endurance of at least 25,000 operations\u003c\/li\u003e\n \u003cli\u003eDesigned with stainless steel housing for enhanced durability\u003c\/li\u003e\n \u003cli\u003eMultiple actuator options including straight leaf, roller leaf, straight lever, and roller lever\u003c\/li\u003e\n \u003cli\u003eWire leads or through-hole solder posts for versatile electrical connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eCharacteristic\u003c\/th\u003e\n \u003cth\u003eDetails\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eDescription\u003c\/td\u003e\n \u003ctd\u003eHermetic sealed miniature snap-action switch\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eHousing material\u003c\/td\u003e\n \u003ctd\u003e300 series stainless steel\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMechanical endurance\u003c\/td\u003e\n \u003ctd\u003e25,000 operations minimum\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eElectrical endurance\u003c\/td\u003e\n \u003ctd\u003e25,000 operations minimum\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eDielectric voltage (initial)\u003c\/td\u003e\n \u003ctd\u003e1000 Vrms for 1 minute\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eCircuitry\u003c\/td\u003e\n \u003ctd\u003eSPDT\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eContact material\u003c\/td\u003e\n \u003ctd\u003eSilver, gold, or gold bifurcated\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eElectrical rating\u003c\/td\u003e\n \u003ctd\u003eUp to 4 A at 28 VDC\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSealing\u003c\/td\u003e\n \u003ctd\u003eSymbol 5 hermetic seal to MIL-PRF-8805\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTemperature range\u003c\/td\u003e\n \u003ctd\u003e-65 °C to 121 °C (standard), optional -184 °C to 260 °C\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eVibration\u003c\/td\u003e\n \u003ctd\u003e15 g, 10 to 2000 Hz\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMechanical shock\u003c\/td\u003e\n \u003ctd\u003e100 G, sawtooth shock type M\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eApprovals\u003c\/td\u003e\n \u003ctd\u003eMIL-PRF-8805, UL 508\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eMilitary aircraft and helicopters: landing gear, engine fuel valves, external hatches\u003c\/li\u003e\n \u003cli\u003eCommercial aircraft: hatch and door position, HVAC, waste management, oxygen valves\u003c\/li\u003e\n \u003cli\u003eSpacecraft: external hatch and door status, engine valves\u003c\/li\u003e\n \u003cli\u003eIndustrial: pressure, temperature, and flow switches in power generation, oil, and gas sectors\u003c\/li\u003e\n \u003cli\u003eGround support equipment: valve, door, and panel position monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePart Number: 39HM165\u003c\/li\u003e\n \u003cli\u003eManufacturer: HONEYWELL\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: US\u003c\/li\u003e\n \u003cli\u003eUnit of Measure: EA\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n \u003cli\u003ePackage Type: Not specified\u003c\/li\u003e\n \u003cli\u003eDatasheet: \u003ca href=\"https:\/\/prod-edam.honeywell.com\/content\/dam\/honeywell-edam\/sps\/siot\/en-us\/products\/switches\/sealed-switches\/hm-series\/documents\/sps-siot-micro-switch-hm-hermetic-basic-product-sheet-003123-2-en-ciid-154705.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eNote: Datasheet was not processed; please search the internet for the part number for more details.\u003c\/p\u003e\u003cbr\u003e"}
