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8307206 ✓ 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 WASHER,FLAT,1.2IN is a the manufacturer industrial component. Key specifications include end_item_identification: 3930-01-486-2151. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-503-8772, 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
8307206
NSN: 5310-01-503-8772
FSC: 5310
CAGE: 3Y949 — TRAK INTERNATIONAL (USA)
SPECIFICATIONS
end_item_identification3930-01-486-2151
NSN5310-01-503-8772
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8307206 · 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
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATION3930-01-486-2151
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
33012Interchangeable
interchangeable cross-reference
interchangeable
USAF330-12Interchangeable
interchangeable cross-reference
interchangeable
310232-3Interchangeable
interchangeable cross-reference
interchangeable
7730Interchangeable
interchangeable cross-reference
interchangeable
10A820148Interchangeable
interchangeable cross-reference
interchangeable
41S54Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8307206?
8307206 is a WASHER,FLAT,1.2IN.
What parts can replace 8307206?
There are 16 known substitutes for 8307206: 33012, USAF330-12, 310232-3 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8307206?
8307206 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-503-8772. 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