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24KP678 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

24KP678: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.375 INCHES NOMINAL IN, hole_diameter: 0.563 INCHES NOMINAL IN, overall_diameter: 2.750 INCHES NOMINAL IN, surface_treatment: PAINT OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-602-9676, 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
24KP678
NSN: 5310-01-602-9676
FSC: 5310 — Nuts and Washers
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.375 INCHES NOMINAL IN
hole_diameter0.563 INCHES NOMINAL IN
overall_diameter2.750 INCHES NOMINAL IN
surface_treatmentPAINT OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identification2320-01-534-1091;CARGO TRUCK
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationMIL-A-46100, ARMOUR PLATE STEEL MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyBALLISTIC WASHER
surface_treatment_document_and_classificationMIL-DTL-53072C MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-602-9676
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 24KP678 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-DTL-53072C MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
OVERALL DIAMETER: 2.750 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-A-46100, ARMOUR PLATE STEEL MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
COLOR: GREEN OVERALL
•
SURFACE TREATMENT: PAINT OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-DTL-53072C MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER2.750 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-A-46100, ARMOUR PLATE STEEL MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
COLORGREEN OVERALL
SURFACE TREATMENTPAINT OVERALL
PERIPHERAL SHAPE STYLEROUND
PART NAME ASSIGNED BY CONTROLLING AGENCYBALLISTIC WASHER
END ITEM IDENTIFICATION2320-01-534-1091;CARGO TRUCK
MATERIALSTEEL OVERALL
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
12508637Same 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 24KP678?
24KP678 is a WASHER,FLAT.
What parts can replace 24KP678?
There is 1 known substitute for 24KP678: 12508637. Substitute compatibility should be verified for your specific system.
What is the NSN for 24KP678?
24KP678 is cataloged in the U.S. Government catalog under NSN 5310-01-602-9676. 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.