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10899991 — PIN,KEEPER

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

10899991: PIN,KEEPER.

The PIN,KEEPER is a the manufacturer industrial component. Key specifications include fsc_application_data: VEHICLE WINCH MECHANISM, end_item_identification: 23200508841, general_characteristics_item_description: METAL WELDMENT OF PIN,FSCM19207,RPN10899992,AND PLATE,FSCM19207,RPN10899993. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-421-3931, 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
10899991
NSN: 5315-00-421-3931
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
fsc_application_dataVEHICLE WINCH MECHANISM
end_item_identification23200508841
general_characteristics_item_descriptionMETAL WELDMENT OF PIN,FSCM19207,RPN10899992,AND PLATE,FSCM19207,RPN10899993
NSN5315-00-421-3931
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 10899991 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FSC APPLICATION DATA: VEHICLE WINCH MECHANISM
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: METAL WELDMENT OF PIN,FSCM19207,RPN10899992,AND PLATE,FSCM19207,RPN10899993
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAVEHICLE WINCH MECHANISM
GENERAL CHARACTERISTICS ITEM DESCRIPTIONMETAL WELDMENT OF PIN,FSCM19207,RPN10899992,AND PLATE,FSCM19207,RPN10899993
END ITEM IDENTIFICATION23200508841
SUBSTITUTES & CROSS-REFERENCES 2
2590004213931Reference document
Same NSN cross-reference
Reference document — Informative reference only
3004794Reference 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 10899991?
10899991 is a PIN,KEEPER.
What parts can replace 10899991?
There are 2 known substitutes for 10899991: 2590004213931, 3004794. Substitute compatibility should be verified for your specific system.
What is the NSN for 10899991?
10899991 is cataloged in the U.S. Government catalog under NSN 5315-00-421-3931. 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.