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Technical Data Sheet
PartsTable / COMPONENT / 31126-F-260
31126-F-260 ✓ 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 5310-01-380-3383, 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
31126-F-260
NSN: 5310-01-380-3383
FSC: 5310
CAGE: 76364 — MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC (USA)
SPECIFICATIONS
Part Number31126-F-260
NSN5310-01-380-3383
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 31126-F-260 · 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 7
216-4363288MT-F44Interchangeable
interchangeable cross-reference
interchangeable
1/2-13UNC-2BInterchangeable
interchangeable cross-reference
interchangeable
216-4363322 F34-6Interchangeable
interchangeable cross-reference
interchangeable
M-6-7-3Interchangeable
interchangeable cross-reference
interchangeable
114459023 FN 133Interchangeable
interchangeable cross-reference
interchangeable
701-4711389 PIECE 40Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 31126-F-260?
31126-F-260 is a NUT,PLAIN,HEXAGON.
What parts can replace 31126-F-260?
There are 7 known substitutes for 31126-F-260: 216-4363288MT-F44, 1/2-13UNC-2B, 216-4363322 F34-6 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 31126-F-260?
31126-F-260 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-380-3383. 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