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Technical Data Sheet
137A ✓ Verified by PartsTable
· MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The SWITCH,THERMOSTATIC is a the manufacturer industrial component. Key specifications include bulb_length: 7.562 INCHES NOMINAL IN, bulb_diameter: 0.250 INCHES NOMINAL IN, overall_width: 2.359 INCHES NOMINAL IN, terminal_type: QUICK DISCONNECT, MALE, overall_height: 2.797 INCHES NOMINAL IN, overall_length: 1.656 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5895-00-125-9535, 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
MRO MRO_GENERAL 137A
NSN: 5895-00-125-9535
FSC: 5895
CAGE: 24022 — TELEDYNE DEFENSE ELECTRONICS, LLC DBA TELEDYNE MICROWAVE SOLUTIONS (USA)
SPECIFICATIONS
bulb_length7.562 INCHES NOMINAL IN
bulb_diameter0.250 INCHES NOMINAL IN
overall_width2.359 INCHES NOMINAL IN
terminal_typeQUICK DISCONNECT, MALE
overall_height2.797 INCHES NOMINAL IN
overall_length1.656 INCHES NOMINAL IN
mounting_methodBRACKET(S)
capillary_tube_length24.000 INCHES NOMINAL IN
contact_adjustabilityACTUATION POINT ADJUSTABLE
contact_action_stimulusINCREASE
contact_adjustment_typeEXTERNAL ACTUATION POINT SHAFT
mounting_facility_patternTWO POSITION IN-LINE
NSN5895-00-125-9535
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,THERMOSTATIC TITLE COMPONENT PN 137A MFR SWITCH,THERMOSTATIC
KEY FEATURES
IMPEDANCE RATING PER CHANNEL: 50.000 KILOHMS OUTPUT CHANNEL
FSC APPLICATION DATA: COUNTERMEASURES SET
AVERAGE LIFE MEASUREMENT: NOT RATED
BASIC SHAPE STYLE: RECTANGULAR OR SQUARE
TECHNICAL CHARACTERISTICS (FLIS)
IMPEDANCE RATING PER CHANNEL50.000 KILOHMS OUTPUT CHANNEL
FSC APPLICATION DATACOUNTERMEASURES SET
AVERAGE LIFE MEASUREMENTNOT RATED
BASIC SHAPE STYLERECTANGULAR OR SQUARE
IMPEDANCE RATING PER CHANNEL50.000 OHMS INPUT CHANNEL
OVERALL WIDTH1.900 INCHES NOMINAL IN
OVERALL LENGTH3.450 INCHES NOMINAL IN
OVERALL HEIGHT0.760 INCHES NOMINAL IN
IMPEDANCE RATING PER CHANNEL50.000 KILOHMS OUTPUT CHANNEL
FSC APPLICATION DATACOUNTERMEASURES SET
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
7530-00-222-3521Interchangeable
interchangeable cross-reference
interchangeable
0137AInterchangeable
interchangeable cross-reference
interchangeable
2298619G1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 137A?
137A is a SWITCH,THERMOSTATIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 137A?
There are 3 known substitutes for 137A: 7530-00-222-3521, 0137A, 2298619G1. Substitute compatibility should be verified for your specific system.
What is the NSN for 137A?
137A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5895-00-125-9535. This indicates validated use in U.S. government and defense supply chains.
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