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HC-101 — SWITCH,THERMOSTATIC

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

HC-101: SWITCH,THERMOSTATIC.

The SWITCH,THERMOSTATIC is a the manufacturer industrial component. Key specifications include phase: SINGLE, material: ALUMINUM CASE, power_source: EXTERNAL, inclosure_type: ENCASED, mounting_method: BULKHEAD, operating_range: 10 TO 90 PERCENT RELATIVE HUMIDITY RANGE. This part is cataloged in the U.S.

Government catalog under NSN 6685-00-885-0640, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
HC-101
NSN: 6685-00-885-0640
NIINs: 008850640, 013018141, 013580167
FSC: 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
CAGE: 65149 — BARBER-COLMAN CO ENVIRONMENTAL CONTROLS DIV (USA)
SPECIFICATIONS
phaseSINGLE
materialALUMINUM CASE
power_sourceEXTERNAL
inclosure_typeENCASED
mounting_methodBULKHEAD
operating_range10 TO 90 PERCENT RELATIVE HUMIDITY RANGE
indication_methodTRANSMITTING DISK SCALE
surface_treatmentENAMEL CASE
frequency_in_hertz60.0
sensing_element_typeHAIR INTERNAL
maximum_overall_width2.062 INCHES IN
maximum_overall_height1.500 INCHES IN
NSN6685-00-885-0640
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,THERMOSTATIC TITLE COMPONENT PN HC-101 MFR SWITCH,THERMOSTATIC
KEY FEATURES
•
SENSING ELEMENT TYPE: HAIR INTERNAL
•
MAXIMUM OVERALL WIDTH: 2.062 INCHES IN
•
PHASE: SINGLE
•
FREQUENCY IN HERTZ: 60.0
•
INCLOSURE TYPE: ENCASED
•
MAXIMUM OVERALL LENGTH: 4.000 INCHES IN
•
MAXIMUM OVERALL HEIGHT: 1.500 INCHES IN
•
MOUNTING METHOD: BULKHEAD
TECHNICAL CHARACTERISTICS
SENSING ELEMENT TYPEHAIR INTERNAL
MAXIMUM OVERALL WIDTH2.062 INCHES IN
PHASESINGLE
FREQUENCY IN HERTZ60.0
INCLOSURE TYPEENCASED
MAXIMUM OVERALL LENGTH4.000 INCHES IN
MAXIMUM OVERALL HEIGHT1.500 INCHES IN
MOUNTING METHODBULKHEAD
POWER SOURCEEXTERNAL
SURFACE TREATMENTENAMEL CASE
SUBSTITUTES & CROSS-REFERENCES 8
721856-27Reference document
Same NSN cross-reference
Reference document — Secondary reference
721856-027Reference document
Same NSN cross-reference
Reference document — Secondary reference
1142-92Reference document
Same NSN cross-reference
Reference document — Secondary reference
HC101AReference document
Same NSN cross-reference
Reference document — Secondary reference
BAR142Reference document
Same NSN cross-reference
Reference document — Secondary reference
HC101A250VDCReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is HC-101?
HC-101 is a SWITCH,THERMOSTATIC.
What parts can replace HC-101?
There are 8 known substitutes for HC-101: 721856-27, 721856-027, 1142-92 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for HC-101?
HC-101 is cataloged in the U.S. Government catalog under NSN 6685-00-885-0640. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.