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1146658 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1146658: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include thickness: 0.1 MILLIMETERS NOMINAL MM, special_features: 6.5X 17; FLAT WASHER, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND, end_item_identification: NSN 3805-01-560-2384 GRADER, ROAD, MOTORIZED. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-579-3682, 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
1146658
NSN: 5310-01-579-3682
FSC: 5310 — Nuts and Washers
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
thickness0.1 MILLIMETERS NOMINAL MM
special_features6.5X 17; FLAT WASHER
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identificationNSN 3805-01-560-2384 GRADER, ROAD, MOTORIZED
NSN5310-01-579-3682
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1146658 · 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
•
PERIPHERAL SHAPE STYLE: ROUND
•
CENTER HOLE SHAPE STYLE: ROUND
•
THICKNESS: 0.1 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
SPECIAL FEATURES6.5X 17; FLAT WASHER
PERIPHERAL SHAPE STYLEROUND
END ITEM IDENTIFICATIONNSN 3805-01-560-2384 GRADER, ROAD, MOTORIZED
CENTER HOLE SHAPE STYLEROUND
THICKNESS0.1 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1146658?
1146658 is a WASHER,FLAT.
What is the NSN for 1146658?
1146658 is cataloged in the U.S. Government catalog under NSN 5310-01-579-3682. 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.