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Technical Data Sheet
PartsTable / COMPONENT / 21343-11
21343-11 ✓ 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 SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416, end_similarity: NOT IDENTICAL, 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 3040-01-419-1616, 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
21343-11
NSN: 3040-01-419-1616
FSC: 3040
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL COMP 416
end_similarityNOT IDENTICAL
end_item_identificationSEAWOLF CLASS SSN
NSN3040-01-419-1616
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHAFT,SHOULDERED TITLE COMPONENT PN 21343-11 MFR SHAFT,SHOULDERED
KEY FEATURES
•
MATERIAL: STEEL COMP 416
•
END SIMILARITY: NOT IDENTICAL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 416
END SIMILARITYNOT IDENTICAL
END ITEM IDENTIFICATIONSEAWOLF CLASS SSN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
MS19059-2422Interchangeable
interchangeable cross-reference
interchangeable
A9314Interchangeable
interchangeable cross-reference
interchangeable
H-28450 PIECE 1Interchangeable
interchangeable cross-reference
interchangeable
21343Interchangeable
interchangeable cross-reference
interchangeable
506.3750Interchangeable
interchangeable cross-reference
interchangeable
GGG-R-180Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21343-11?
21343-11 is a SHAFT,SHOULDERED.
What parts can replace 21343-11?
There are 17 known substitutes for 21343-11: MS19059-2422, A9314, H-28450 PIECE 1 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21343-11?
21343-11 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-01-419-1616. 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