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PartsTable / COMPONENT / 425143WSITEM8
425143WSITEM8 ✓ 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,SPECIAL is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: STEEL,1.500 IN. OD,0.528 IN.

LG IN. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-317-9699, 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
425143WSITEM8
NSN: 5310-00-317-9699
FSC: 5310
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTEEL,1.500 IN. OD,0.528 IN. LG IN
NSN5310-00-317-9699
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 425143WSITEM8 · 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
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL,1.500 IN. OD,0.528 IN. LG IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL,1.500 IN. OD,0.528 IN. LG IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
13-463-4Interchangeable
interchangeable cross-reference
interchangeable
221551Interchangeable
interchangeable cross-reference
interchangeable
509A40Interchangeable
interchangeable cross-reference
interchangeable
C243386CHANGEDInterchangeable
interchangeable cross-reference
interchangeable
C243386-1CHANGE DInterchangeable
interchangeable cross-reference
interchangeable
34631Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 425143WSITEM8?
425143WSITEM8 is a NUT,SPECIAL.
What parts can replace 425143WSITEM8?
There are 9 known substitutes for 425143WSITEM8: 13-463-4, 221551, 509A40 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 425143WSITEM8?
425143WSITEM8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-317-9699. 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