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Technical Data Sheet
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085966 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The WASHER,KEY is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-262-6188, 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
085966
NSN: 5310-00-262-6188
FSC: 5310
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
Part Number085966
NSN5310-00-262-6188
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 085966 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
8489Interchangeable
interchangeable cross-reference
interchangeable
5273Interchangeable
interchangeable cross-reference
interchangeable
305001Interchangeable
interchangeable cross-reference
interchangeable
T52Interchangeable
interchangeable cross-reference
interchangeable
SM-A-701276-3Interchangeable
interchangeable cross-reference
interchangeable
DMS 81084BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 085966?
085966 is a WASHER,KEY.
What parts can replace 085966?
There are 22 known substitutes for 085966: 8489, 5273, 305001 and 19 more. Substitute compatibility should be verified for your specific system.
Is 085966 still available?
085966 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026