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Technical Data Sheet
PartsTable / MRO / 3-3877
3-3877 ✓ 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 fsc_application_data: AIRCRAFT HYDRAULIC SYSTEM, end_item_identification: 1650011455097. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2810-00-722-0534, 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→ 3-3877
NSN: 2810-00-722-0534
FSC: 2810
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
special_featuresC/O P/N'S 101168,11523,152541,21104,233786,233787,233789,261005 ASSY,26946,271420,304430,304468,304943,306016,332417,399050 ASSY,37760,48179,48682,78765 AND 93630 ASSY
fsc_application_dataAIRCRAFT HYDRAULIC SYSTEM
end_item_identification1650011455097
NSN2810-00-722-0534
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,THERMOSTATIC TITLE COMPONENT PN 3-3877 MFR SWITCH,THERMOSTATIC
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONACFT ENG R2800
SPECIAL FEATURESC/O P/N'S 101168,11523,152541,21104,233786,233787,233789,261005 ASSY,26946,271420,304430,304468,304943,306016,332417,399050 ASSY,37760,48179,48682,78765 AND 93630 ASSY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
53797DInterchangeable
interchangeable cross-reference
interchangeable
CR37-1X1Interchangeable
interchangeable cross-reference
interchangeable
AB0070850003Interchangeable
interchangeable cross-reference
interchangeable
SM-C-500708Interchangeable
interchangeable cross-reference
interchangeable
A10030Interchangeable
interchangeable cross-reference
interchangeable
666092-704Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3-3877?
3-3877 is a SWITCH,THERMOSTATIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 3-3877?
There are 11 known substitutes for 3-3877: 53797D, CR37-1X1, AB0070850003 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3-3877?
3-3877 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2810-00-722-0534. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026