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4247086 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

4247086: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, hole_diameter: 0.193 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN, outside_diameter: 0.334 INCHES MAXIMUM IN, style_designator: SPLIT HELICAL-RIGHT HAND, material_thickness: 0.470 INCHES MINIMUM IN, end_item_identification: 2320-01-534-1091; MRAP - M-ATV. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-661-4259, 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
4247086
NSN: 5310-01-661-4259
FSC: 5310 — Nuts and Washers
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
hole_diameter0.193 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
outside_diameter0.334 INCHES MAXIMUM IN
style_designatorSPLIT HELICAL-RIGHT HAND
material_thickness0.470 INCHES MINIMUM IN
end_item_identification2320-01-534-1091; MRAP - M-ATV
part_name_assigned_by_controlling_agencyWASHER, LOCK, SPLIT
NSN5310-01-661-4259
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4247086 · 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
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
OUTSIDE DIAMETER: 0.334 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.470 INCHES MINIMUM IN
•
MATERIAL: COPPER ALLOY OVERALL
•
HOLE DIAMETER: 0.193 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
OUTSIDE DIAMETER0.334 INCHES MAXIMUM IN
MATERIAL THICKNESS0.470 INCHES MINIMUM IN
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER, LOCK, SPLIT
END ITEM IDENTIFICATION2320-01-534-1091; MRAP - M-ATV
MATERIALCOPPER ALLOY OVERALL
HOLE DIAMETER0.193 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
75234Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 4247086?
4247086 is a WASHER,LOCK.
What parts can replace 4247086?
There is 1 known substitute for 4247086: 75234. Substitute compatibility should be verified for your specific system.
What is the NSN for 4247086?
4247086 is cataloged in the U.S. Government catalog under NSN 5310-01-661-4259. 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.