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Technical Data Sheet
PartsTable / COMPONENT / 12338062
12338062 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: RUBBER OVERALL, hole_diameter: 0.880 INCHES NOMINAL IN, outside_diameter: 1.400 INCHES NOMINAL IN, style_designator: FLAT EXTERNAL TEETH, material_thickness: 0.100 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-148-2687, 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
12338062
NSN: 5310-01-148-2687
FSC: 5310
CAGE: 11862 — GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT (USA)
SPECIFICATIONS
materialRUBBER OVERALL
hole_diameter0.880 INCHES NOMINAL IN
outside_diameter1.400 INCHES NOMINAL IN
style_designatorFLAT EXTERNAL TEETH
material_thickness0.100 INCHES NOMINAL IN
NSN5310-01-148-2687
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12338062 · 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
•
HOLE DIAMETER: 0.880 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT EXTERNAL TEETH
•
MATERIAL: RUBBER OVERALL
•
OUTSIDE DIAMETER: 1.400 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.100 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.880 INCHES NOMINAL IN
STYLE DESIGNATORFLAT EXTERNAL TEETH
MATERIALRUBBER OVERALL
OUTSIDE DIAMETER1.400 INCHES NOMINAL IN
MATERIAL THICKNESS0.100 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
11689Interchangeable
interchangeable cross-reference
interchangeable
28JR106-6Interchangeable
interchangeable cross-reference
interchangeable
01308Interchangeable
interchangeable cross-reference
interchangeable
531912-18Interchangeable
interchangeable cross-reference
interchangeable
684876-25Interchangeable
interchangeable cross-reference
interchangeable
5740010Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12338062?
12338062 is a WASHER,LOCK.
What parts can replace 12338062?
There are 8 known substitutes for 12338062: 11689, 28JR106-6, 01308 and 5 more. Substitute compatibility should be verified for your specific system.
Is 12338062 still available?
12338062 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026