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91X10R — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

91X10R: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-00-011-6121, 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
91X10R
NSN: 5310-00-011-6121
FSC: 5310 — Nuts and Washers
CAGE: 80837 — KYSOR/WESTRAN CORP AUSTIN TRAILER DIV (USA)
SPECIFICATIONS
Part Number91X10R
NSN5310-00-011-6121
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 91X10R · 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
SUBSTITUTES & CROSS-REFERENCES 7
10424405Reference document
Same NSN cross-reference
Reference document — Informative reference only
103323Reference document
Same NSN cross-reference
Reference document — Secondary reference
34809S2Reference document
Same NSN cross-reference
Reference document — Secondary reference
120384Reference document
Same NSN cross-reference
Reference document — Secondary reference
116121Reference document
Same NSN cross-reference
Reference document — Secondary reference
66913HReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 91X10R?
91X10R is a WASHER,LOCK.
What parts can replace 91X10R?
There are 7 known substitutes for 91X10R: 10424405, 103323, 34809S2 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 91X10R?
91X10R is cataloged in the U.S. Government catalog under NSN 5310-00-011-6121. 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.