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12601071-003 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

12601071-003: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 6.100 MILLIMETERS MINIMUM MM, outside_diameter: 11.800 MILLIMETERS MAXIMUM MM, style_designator: SPLIT HELICAL-LEFT HAND, material_thickness: 1.600 MILLIMETERS NOMINAL MM, end_item_identification: MRAP - M-ATV; 4210-01-622-0440; 2320-01-652-5218 JOINT LIGHT TACTICAL VEHICLE (JLTV). This part is cataloged in the U.S.

Government catalog under NSN 5310-01-659-3123, 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
12601071-003
NSN: 5310-01-659-3123
FSC: 5310 — Nuts and Washers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter6.100 MILLIMETERS MINIMUM MM
outside_diameter11.800 MILLIMETERS MAXIMUM MM
style_designatorSPLIT HELICAL-LEFT HAND
material_thickness1.600 MILLIMETERS NOMINAL MM
end_item_identificationMRAP - M-ATV; 4210-01-622-0440; 2320-01-652-5218 JOINT LIGHT TACTICAL VEHICLE (JLTV)
NSN5310-01-659-3123
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12601071-003 · 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-LEFT HAND
•
OUTSIDE DIAMETER: 11.800 MILLIMETERS MAXIMUM MM
•
MATERIAL THICKNESS: 1.600 MILLIMETERS NOMINAL MM
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 6.100 MILLIMETERS MINIMUM MM
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSPLIT HELICAL-LEFT HAND
OUTSIDE DIAMETER11.800 MILLIMETERS MAXIMUM MM
MATERIAL THICKNESS1.600 MILLIMETERS NOMINAL MM
END ITEM IDENTIFICATIONMRAP - M-ATV; 4210-01-622-0440; 2320-01-652-5218 JOINT LIGHT TACTICAL VEHICLE (JLTV)
MATERIALSTEEL OVERALL
HOLE DIAMETER6.100 MILLIMETERS MINIMUM MM
SUBSTITUTES & CROSS-REFERENCES 2
3836241003Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
3836241Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 12601071-003?
12601071-003 is a WASHER,LOCK.
What parts can replace 12601071-003?
There are 2 known substitutes for 12601071-003: 3836241003, 3836241. Substitute compatibility should be verified for your specific system.
What is the NSN for 12601071-003?
12601071-003 is cataloged in the U.S. Government catalog under NSN 5310-01-659-3123. 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.