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PartsTable / COMPONENT / 6532-31-5 ITEM 15
6532-31-5 ITEM 15 ✓ 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,FLAT 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 5310-01-185-2801, 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
6532-31-5 ITEM 15
NSN: 5310-01-185-2801
FSC: 5310
CAGE: 99447 — COOPER INTERCONNECT, INC. DBA COOPER INTERCONNECT DIV INTERCONNECT (USA)
SPECIFICATIONS
Part Number6532-31-5 ITEM 15
NSN5310-01-185-2801
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 6532-31-5 ITEM 15 · 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 16
8608Interchangeable
interchangeable cross-reference
interchangeable
V1812Interchangeable
interchangeable cross-reference
interchangeable
48F6-4Interchangeable
interchangeable cross-reference
interchangeable
SAE-J513Interchangeable
interchangeable cross-reference
interchangeable
8F-6-4Interchangeable
interchangeable cross-reference
interchangeable
154-0491-00Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6532-31-5 ITEM 15?
6532-31-5 ITEM 15 is a WASHER,FLAT.
What parts can replace 6532-31-5 ITEM 15?
There are 16 known substitutes for 6532-31-5 ITEM 15: 8608, V1812, 48F6-4 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6532-31-5 ITEM 15?
6532-31-5 ITEM 15 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-185-2801. 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