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10876148 — WASHER,KEYWAY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

10876148: WASHER,KEYWAY.

The WASHER,KEYWAY is a the manufacturer industrial component. Key specifications include material: PLASTIC PHENOLIC OVERALL, hole_diameter: 5.002 INCHES MINIMUM AND 5.008 INCHES MAXIMUM IN, outside_diameter: 6.125 INCHES NOMINAL IN, material_thickness: 0.375 INCHES NOMINAL IN, external_keyway_width: 0.625 INCHES NOMINAL IN, external_keyway_length: 0.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-602-0503, 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
10876148
NSN: 5310-00-602-0503
FSC: 5310 — Nuts and Washers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialPLASTIC PHENOLIC OVERALL
hole_diameter5.002 INCHES MINIMUM AND 5.008 INCHES MAXIMUM IN
outside_diameter6.125 INCHES NOMINAL IN
material_thickness0.375 INCHES NOMINAL IN
external_keyway_width0.625 INCHES NOMINAL IN
external_keyway_length0.375 INCHES NOMINAL IN
material_document_and_classificationMIL-P-79,TYPE FBM MIL SPEC ALL MATERIAL RESPONSES OVERALL
NSN5310-00-602-0503
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 10876148 · 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
•
EXTERNAL KEYWAY WIDTH: 0.625 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-P-79,TYPE FBM MIL SPEC ALL MATERIAL RESPONSES OVERALL
•
OUTSIDE DIAMETER: 6.125 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.375 INCHES NOMINAL IN
•
MATERIAL: PLASTIC PHENOLIC OVERALL
•
HOLE DIAMETER: 5.002 INCHES MINIMUM AND 5.008 INCHES MAXIMUM IN
•
EXTERNAL KEYWAY LENGTH: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
EXTERNAL KEYWAY WIDTH0.625 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-79,TYPE FBM MIL SPEC ALL MATERIAL RESPONSES OVERALL
OUTSIDE DIAMETER6.125 INCHES NOMINAL IN
MATERIAL THICKNESS0.375 INCHES NOMINAL IN
MATERIALPLASTIC PHENOLIC OVERALL
HOLE DIAMETER5.002 INCHES MINIMUM AND 5.008 INCHES MAXIMUM IN
EXTERNAL KEYWAY LENGTH0.375 INCHES NOMINAL IN
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
3004898Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 10876148?
10876148 is a WASHER,KEYWAY.
What parts can replace 10876148?
There is 1 known substitute for 10876148: 3004898. Substitute compatibility should be verified for your specific system.
What is the NSN for 10876148?
10876148 is cataloged in the U.S. Government catalog under NSN 5310-00-602-0503. 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.