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PartsTable / COMPONENT / NUT1/2-13UNC
NUT1/2-13UNC ✓ 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 NUT1/2-13UNC 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 5310-01-528-6130, 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
NUT1/2-13UNC
NSN: 5310-01-528-6130
FSC: 5310
CAGE: 1LL51 — STRONGWELL CORPORATION (USA)
SPECIFICATIONS
Part NumberNUT1/2-13UNC
NSN5310-01-528-6130
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: NUT1/2-13UNC · 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
•
THREAD DIRECTION: RIGHT-HAND
•
NUT HEIGHT: 0.750 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 13
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
WIDTH ACROSS FLATS: 0.870 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
PART NAME ASSIGNED BY CONTROLLING AGENCYFIBREBOLT NUT
NUT HEIGHT0.750 INCHES NOMINAL IN
THREAD QUANTITY PER INCH13
END ITEM IDENTIFICATION(53711) RMV ASSY UNIT 21 AN/WLD-A (V)
NOMINAL THREAD SIZE0.250 INCHES IN
WIDTH ACROSS FLATS0.870 INCHES NOMINAL IN
SPECIAL FEATURESFIBREBOLT STUDS AND NUTS SHOULD BE USED TOGETHER AS A SYSTEM TO ASSURE PROPER FIT AND PROPERTIES. FIBREBOLT STUDS ARE PULTRUDED,FIBERGLASS REINFORCED VINYL ESTER THREADED RODS AND THERMOPLASTIC HEX SHAPED NUTS. THE PROPERTIES AND CHARACTERISTICS DIFFER FR
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
B4013204-79Interchangeable
interchangeable cross-reference
interchangeable
6904020Interchangeable
interchangeable cross-reference
interchangeable
4000-0024Interchangeable
interchangeable cross-reference
interchangeable
9-470002Interchangeable
interchangeable cross-reference
interchangeable
470002Interchangeable
interchangeable cross-reference
interchangeable
368692Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NUT1/2-13UNC?
NUT1/2-13UNC is a NUT1/2-13UNC.
What parts can replace NUT1/2-13UNC?
There are 9 known substitutes for NUT1/2-13UNC: B4013204-79, 6904020, 4000-0024 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NUT1/2-13UNC?
NUT1/2-13UNC is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-528-6130. 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