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PartsTable / COMPONENT / 1977-39905 ITEM 3
1977-39905 ITEM 3 ✓ 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 GEAR RACK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_item_identification: SEAWOLF CLASS (SSN). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-01-444-3887, 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
1977-39905 ITEM 3
NSN: 3020-01-444-3887
FSC: 3020
CAGE: 07270 — MOOG INC. DBA AMPAC-ISP CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_item_identificationSEAWOLF CLASS (SSN)
NSN3020-01-444-3887
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR RACK TITLE COMPONENT PN 1977-39905 ITEM 3 MFR GEAR RACK
KEY FEATURES
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONSEAWOLF CLASS (SSN)
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
4330PL0661092Interchangeable
interchangeable cross-reference
interchangeable
24538Interchangeable
interchangeable cross-reference
interchangeable
99132718Interchangeable
interchangeable cross-reference
interchangeable
37718Interchangeable
interchangeable cross-reference
interchangeable
N37718Interchangeable
interchangeable cross-reference
interchangeable
18356N PIECE 9CInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1977-39905 ITEM 3?
1977-39905 ITEM 3 is a GEAR RACK.
What parts can replace 1977-39905 ITEM 3?
There are 14 known substitutes for 1977-39905 ITEM 3: 4330PL0661092, 24538, 99132718 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1977-39905 ITEM 3?
1977-39905 ITEM 3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-01-444-3887. 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