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PartsTable / COMPONENT / 91475A434
91475A434 ✓ 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,LOCK 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 5310-00-415-2115, 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
91475A434
NSN: 5310-00-415-2115
FSC: 5310
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
Part Number91475A434
NSN5310-00-415-2115
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 91475A434 · 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 9
MS35338-140Interchangeable
interchangeable cross-reference
interchangeable
15155Interchangeable
interchangeable cross-reference
interchangeable
ASC1030036Interchangeable
interchangeable cross-reference
interchangeable
1006688Interchangeable
interchangeable cross-reference
interchangeable
MS35338-140BInterchangeable
Same NIIN cross-reference
interchangeable
1372BLKOXADXInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 91475A434?
91475A434 is a WASHER,LOCK.
What parts can replace 91475A434?
There are 9 known substitutes for 91475A434: MS35338-140, 15155, ASC1030036 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 91475A434?
91475A434 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-415-2115. 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