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A16645 — RING,SEAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

A16645: RING,SEAL.

The RING,SEAL is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, overall_height: 1.375 INCHES NOMINAL IN, shank_diameter: 2.861 INCHES NOMINAL IN, flange_diameter: 2.188 INCHES NOMINAL IN, style_designator: POPPET, media_for_which_designed: AIR. This part is cataloged in the U.S.

Government catalog under NSN 2520-00-791-7298, 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
A16645
NSN: 2520-00-791-7298
NIINs: 007917298, 012183720
FSC: 2520 — Vehicular Power Transmission Components
CAGE: 10988 — CNH INDUSTRIAL AMERICA LLC DBA CNH AMERICA (USA)
SPECIFICATIONS
materialCOPPER ALLOY
overall_height1.375 INCHES NOMINAL IN
shank_diameter2.861 INCHES NOMINAL IN
flange_diameter2.188 INCHES NOMINAL IN
style_designatorPOPPET
media_for_which_designedAIR
NSN2520-00-791-7298
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,SEAL TITLE COMPONENT PN A16645 MFR RING,SEAL
SUBSTITUTES & CROSS-REFERENCES 1
153899H1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A16645?
A16645 is a RING,SEAL.
What parts can replace A16645?
There is 1 known substitute for A16645: 153899H1. Substitute compatibility should be verified for your specific system.
What is the NSN for A16645?
A16645 is cataloged in the U.S. Government catalog under NSN 2520-00-791-7298. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.