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2UU01399 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

2UU01399: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 0.382 INCHES NOMINAL IN, outside_diameter: 0.688 INCHES NOMINAL IN, style_designator: SPLIT HELICAL-RIGHT HAND, material_thickness: 0.094 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-209-0920, 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
2UU01399
NSN: 5310-00-209-0920
FSC: 5310 — Nuts and Washers
CAGE: 62265 — VOLVO TRUCKS NORTH AMERICA, INC. DBA (FOREIGN PARENT IS VOLVO LASTVAGNAR AB, GOTEBORG, SWEDEN.) (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.382 INCHES NOMINAL IN
outside_diameter0.688 INCHES NOMINAL IN
style_designatorSPLIT HELICAL-RIGHT HAND
material_thickness0.094 INCHES NOMINAL IN
NSN5310-00-209-0920
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2UU01399 · 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: 0.688 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.094 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 0.382 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
OUTSIDE DIAMETER0.688 INCHES NOMINAL IN
MATERIAL THICKNESS0.094 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
HOLE DIAMETER0.382 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
342AReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2UU01399?
2UU01399 is a WASHER,LOCK.
What parts can replace 2UU01399?
There is 1 known substitute for 2UU01399: 342A. Substitute compatibility should be verified for your specific system.
What is the NSN for 2UU01399?
2UU01399 is cataloged in the U.S. Government catalog under NSN 5310-00-209-0920. 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.