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129-5427 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

129-5427: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include thickness: 1.3 MILLIMETERS NOMINAL MM, hole_diameter: 14.0 MILLIMETERS NOMINAL MM, special_features: NHA: 248-2609 HOUSING GP-FRONT, end_item_identification: 2320-01-534-1051 TRUCK, CARGO. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-564-4739, 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
129-5427
NSN: 5310-01-564-4739
FSC: 5310 — Nuts and Washers
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
thickness1.3 MILLIMETERS NOMINAL MM
hole_diameter14.0 MILLIMETERS NOMINAL MM
special_featuresNHA: 248-2609 HOUSING GP-FRONT
end_item_identification2320-01-534-1051 TRUCK, CARGO
NSN5310-01-564-4739
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 129-5427 · 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: 14.0 MILLIMETERS NOMINAL MM
•
THICKNESS: 1.3 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESNHA: 248-2609 HOUSING GP-FRONT
END ITEM IDENTIFICATION2320-01-534-1051 TRUCK, CARGO
HOLE DIAMETER14.0 MILLIMETERS NOMINAL MM
THICKNESS1.3 MILLIMETERS NOMINAL MM
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 1
14KP145Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 129-5427?
129-5427 is a WASHER,FLAT.
What parts can replace 129-5427?
There is 1 known substitute for 129-5427: 14KP145. Substitute compatibility should be verified for your specific system.
What is the NSN for 129-5427?
129-5427 is cataloged in the U.S. Government catalog under NSN 5310-01-564-4739. 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.