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Technical Data Sheet
PartsTable / COMPONENT / 167-8278258 ITEM NO 5
167-8278258 ITEM NO 5 ✓ 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,PLAIN,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 5310-01-627-6583, 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
167-8278258 ITEM NO 5
NSN: 5310-01-627-6583
FSC: 5310
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
Part Number167-8278258 ITEM NO 5
NSN5310-01-627-6583
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 167-8278258 ITEM NO 5 · 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 23
167-8278258Interchangeable
interchangeable cross-reference
interchangeable
167-8200543Interchangeable
interchangeable cross-reference
interchangeable
167-8200543 ITEM 35Interchangeable
interchangeable cross-reference
interchangeable
167-8219058 ITEM 5Interchangeable
interchangeable cross-reference
interchangeable
167-8278261 ITEM 6Interchangeable
interchangeable cross-reference
interchangeable
167-8200543 ITEM NO. 27Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 167-8278258 ITEM NO 5?
167-8278258 ITEM NO 5 is a NUT,PLAIN,HEXAGON.
What parts can replace 167-8278258 ITEM NO 5?
There are 23 known substitutes for 167-8278258 ITEM NO 5: 167-8278258, 167-8200543, 167-8200543 ITEM 35 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 167-8278258 ITEM NO 5?
167-8278258 ITEM NO 5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-627-6583. 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