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PartsTable / COMPONENT / 90576A102
90576A102 ✓ 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 NUT,SELF-LOCKING,HEXAGON 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 5310-01-626-2275, 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
90576A102
NSN: 5310-01-626-2275
FSC: 5310
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
Part Number90576A102
NSN5310-01-626-2275
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 90576A102 · 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 8
T5437Interchangeable
interchangeable cross-reference
interchangeable
40143Interchangeable
interchangeable cross-reference
interchangeable
40143CHGHInterchangeable
interchangeable cross-reference
interchangeable
10-60819-7Interchangeable
interchangeable cross-reference
interchangeable
26040Interchangeable
interchangeable cross-reference
interchangeable
52029Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 90576A102?
90576A102 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace 90576A102?
There are 8 known substitutes for 90576A102: T5437, 40143, 40143CHGH and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 90576A102?
90576A102 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-626-2275. 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