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668458 — RETAINER,NUT AND BOLT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

668458: RETAINER,NUT AND BOLT.

The RETAINER,NUT AND BOLT is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024, material_document_and_classification: QQ-A-268-CANCELED FED SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-628-3874, 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
668458
NSN: 5310-00-628-3874
NIINs: 006283874, 010220806
FSC: 5310 — Nuts and Washers
CAGE: 60764 — WIGGINS LIFT CO INC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024
material_document_and_classificationQQ-A-268-CANCELED FED SPEC SINGLE MATERIAL RESPONSE
NSN5310-00-628-3874
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 668458 · 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
•
OVERALL DIAMETER: 1.375 INCHES NOMINAL IN
•
HARDNESS RATING: 35.0 ROCKWELL C MINIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL COMP 1045 OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER1.375 INCHES NOMINAL IN
HARDNESS RATING35.0 ROCKWELL C MINIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
END ITEM IDENTIFICATIONFORKLIFT TRUCK,WIGGINS LIFT C0
MATERIALSTEEL COMP 1045 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.359 INCHES NOMINAL IN
THICKNESS0.187 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
40-0001517AReference document
Same NSN cross-reference
Reference document — Secondary reference
40-0001517Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 668458?
668458 is a RETAINER,NUT AND BOLT.
What parts can replace 668458?
There are 2 known substitutes for 668458: 40-0001517A, 40-0001517. Substitute compatibility should be verified for your specific system.
What is the NSN for 668458?
668458 is cataloged in the U.S. Government catalog under NSN 5310-00-628-3874. 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.