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3249851 — NUT,HEX,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

3249851: NUT,HEX,LOCK.

The NUT,HEX,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL, overall_width: 0.338 INCHES NOMINAL IN, overall_height: 0.121 INCHES NOMINAL IN, end_item_identification: 2320-01-465-2174, part_name_assigned_by_controlling_agency: NUT LOCKWASHER COMBO. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-481-0958, 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
3249851
NSN: 5310-01-481-0958
NIINs: 014810958, 015559227
FSC: 5310 — Nuts and Washers
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL
overall_width0.338 INCHES NOMINAL IN
overall_height0.121 INCHES NOMINAL IN
end_item_identification2320-01-465-2174
part_name_assigned_by_controlling_agencyNUT LOCKWASHER COMBO
NSN5310-01-481-0958
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3249851 · 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
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.121 INCHES NOMINAL IN
OVERALL WIDTH0.338 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYNUT LOCKWASHER COMBO
END ITEM IDENTIFICATION2320-01-465-2174
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 2
NUT0115Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2HB522Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3249851?
3249851 is a NUT,HEX,LOCK.
What parts can replace 3249851?
There are 2 known substitutes for 3249851: NUT0115, 2HB522. Substitute compatibility should be verified for your specific system.
What is the NSN for 3249851?
3249851 is cataloged in the U.S. Government catalog under NSN 5310-01-481-0958. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.