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12759-00399 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

12759-00399: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, hole_diameter: 0.193 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN, outside_diameter: 0.334 INCHES NOMINAL IN, style_designator: SPLIT HELICAL-RIGHT HAND, material_thickness: 0.047 INCHES MINIMUM IN, end_item_identification: 2355-01-532-2174 JOINT EOD RAPID RESPONSE VEHICLE (JERRV). This part is cataloged in the U.S.

Government catalog under NSN 5310-01-553-0895, 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
12759-00399
NSN: 5310-01-553-0895
FSC: 5310 — Nuts and Washers
CAGE: 0Y3H3 — FASTENAL COMPANY DBA FASTENAL CO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
hole_diameter0.193 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
outside_diameter0.334 INCHES NOMINAL IN
style_designatorSPLIT HELICAL-RIGHT HAND
material_thickness0.047 INCHES MINIMUM IN
end_item_identification2355-01-532-2174 JOINT EOD RAPID RESPONSE VEHICLE (JERRV)
part_name_assigned_by_controlling_agencyWASHER NUMBER 10 LOCK
NSN5310-01-553-0895
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12759-00399 · 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 NOMINAL IN
•
MATERIAL THICKNESS: 0.047 INCHES MINIMUM IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
HOLE DIAMETER: 0.193 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
OUTSIDE DIAMETER0.334 INCHES NOMINAL IN
MATERIAL THICKNESS0.047 INCHES MINIMUM IN
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER NUMBER 10 LOCK
END ITEM IDENTIFICATION2355-01-532-2174 JOINT EOD RAPID RESPONSE VEHICLE (JERRV)
MATERIALSTEEL CORROSION RESISTING OVERALL
HOLE DIAMETER0.193 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
2002089Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12759-00399?
12759-00399 is a WASHER,LOCK.
What parts can replace 12759-00399?
There is 1 known substitute for 12759-00399: 2002089. Substitute compatibility should be verified for your specific system.
What is the NSN for 12759-00399?
12759-00399 is cataloged in the U.S. Government catalog under NSN 5310-01-553-0895. 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.