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Technical Data Sheet
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NAF3 ✓ 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. Key specifications include special_features: NUT, 3/8 INCH DIAMETER, 16 THREADS PER INCH IN, thread_direction: RIGHT-HAND, end_item_identification: 6115-01-531-0571, 20KW GENERATOR SET, part_name_assigned_by_controlling_agency: HEX NUT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-549-7793, 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
NAF3
NSN: 5310-01-549-7793
FSC: 5310
CAGE: 0SUA9 — GENERAC MOBILE PRODUCTS, LLC (USA)
SPECIFICATIONS
special_featuresNUT, 3/8 INCH DIAMETER, 16 THREADS PER INCH IN
thread_directionRIGHT-HAND
end_item_identification6115-01-531-0571, 20KW GENERATOR SET
part_name_assigned_by_controlling_agencyHEX NUT
NSN5310-01-549-7793
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: NAF3 · 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
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATION6115-01-531-0571, 20KW GENERATOR SET
THREAD DIRECTIONRIGHT-HAND
SPECIAL FEATURESNUT, 3/8 INCH DIAMETER, 16 THREADS PER INCH IN
PART NAME ASSIGNED BY CONTROLLING AGENCYHEX NUT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
601Interchangeable
interchangeable cross-reference
interchangeable
160-40Interchangeable
interchangeable cross-reference
interchangeable
M6000-N-01000Interchangeable
interchangeable cross-reference
interchangeable
16224Interchangeable
interchangeable cross-reference
interchangeable
49381Interchangeable
interchangeable cross-reference
interchangeable
60140Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NAF3?
NAF3 is a NUT,PLAIN,HEXAGON.
What parts can replace NAF3?
There are 12 known substitutes for NAF3: 601, 160-40, M6000-N-01000 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NAF3?
NAF3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-549-7793. 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