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D5288-4M6 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

D5288-4M6: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: PLASTIC PHENOLIC OVERALL, thickness: 0.064 INCHES NOMINAL IN, hole_diameter: 0.363 INCHES NOMINAL IN, overall_diameter: 0.745 INCHES NOMINAL IN, special_features: FUNCTION, WASHER, NYLON; REFERENCE DATA, DWG DE-A-2970, ITEM M-6, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-964-7274, 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
D5288-4M6
NSN: 5310-00-964-7274
FSC: 5310 — Nuts and Washers
CAGE: 08125 — U S DEPT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION (USA)
SPECIFICATIONS
materialPLASTIC PHENOLIC OVERALL
thickness0.064 INCHES NOMINAL IN
hole_diameter0.363 INCHES NOMINAL IN
overall_diameter0.745 INCHES NOMINAL IN
special_featuresFUNCTION, WASHER, NYLON; REFERENCE DATA, DWG DE-A-2970, ITEM M-6
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identificationVORTAC PLASTIC ANTENNA SHELTER
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-964-7274
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: D5288-4M6 · 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: 0.745 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: PLASTIC PHENOLIC OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.363 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.745 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SPECIAL FEATURESFUNCTION, WASHER, NYLON; REFERENCE DATA, DWG DE-A-2970, ITEM M-6
PERIPHERAL SHAPE STYLEROUND
END ITEM IDENTIFICATIONVORTAC PLASTIC ANTENNA SHELTER
MATERIALPLASTIC PHENOLIC OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.363 INCHES NOMINAL IN
THICKNESS0.064 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

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 D5288-4M6?
D5288-4M6 is a WASHER,FLAT.
What is the NSN for D5288-4M6?
D5288-4M6 is cataloged in the U.S. Government catalog under NSN 5310-00-964-7274. 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.