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Technical Data Sheet
PartsTable / COMPONENT / 1977041-1
1977041-1 ✓ Verified by PartsTable
— · COMPONENT
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 1977041-1 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6695-00-256-7943, 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
1977041-1
NSN: 6695-00-256-7943
FSC: 6695
CAGE: 55972 — HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS (USA)
SPECIFICATIONS
Part Number1977041-1
NSN6695-00-256-7943
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 1977041-1 TITLE COMPONENT PN 1977041-1 MFR 1977041-1
KEY FEATURES
•
FSC APPLICATION DATA: INDICATOR,ALTITUDE,PART NO. 4K90059-109A A
TECHNICAL CHARACTERISTICS (FLIS)
FSC APPLICATION DATAINDICATOR,ALTITUDE,PART NO. 4K90059-109A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
219404Interchangeable
interchangeable cross-reference
interchangeable
39256CInterchangeable
interchangeable cross-reference
interchangeable
PC212PInterchangeable
interchangeable cross-reference
interchangeable
BS5-1583PC4Interchangeable
interchangeable cross-reference
interchangeable
L21Interchangeable
interchangeable cross-reference
interchangeable
A3249Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1977041-1?
1977041-1 is a 1977041-1.
What parts can replace 1977041-1?
There are 14 known substitutes for 1977041-1: 219404, 39256C, PC212P and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1977041-1?
1977041-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6695-00-256-7943. 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