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Technical Data Sheet
PartsTable / COMPONENT / S-21-16-1
S-21-16-1 ✓ 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 SPACER,RING 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 5365-01-106-7439, 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
S-21-16-1
NSN: 5365-01-106-7439
FSC: 5365
CAGE: 31923 — TODD COMBUSTION INC (USA)
SPECIFICATIONS
Part NumberS-21-16-1
NSN5365-01-106-7439
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPACER,RING TITLE COMPONENT PN S-21-16-1 MFR SPACER,RING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
50464Interchangeable
interchangeable cross-reference
interchangeable
1045459Interchangeable
interchangeable cross-reference
interchangeable
N47500GPC6AInterchangeable
interchangeable cross-reference
interchangeable
N-47501 SHEET 11 PIECE 102Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S-21-16-1?
S-21-16-1 is a SPACER,RING.
What parts can replace S-21-16-1?
There are 4 known substitutes for S-21-16-1: 50464, 1045459, N47500GPC6A and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S-21-16-1?
S-21-16-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-01-106-7439. 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