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D8288-15 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

D8288-15: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: PLASTIC OVERALL, thickness: 0.062 INCHES NOMINAL IN, hole_diameter: 0.656 INCHES NOMINAL IN, hardness_rating: 83.0 ROCKWELL M MINIMUM AND 116.0 ROCKWELL M MAXIMUM, overall_diameter: 1.406 INCHES NOMINAL IN, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-752-7737, 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
D8288-15
NSN: 5310-00-752-7737
FSC: 5310 — Nuts and Washers
CAGE: 63686 — THE WALWORTH COMPANY (USA)
SPECIFICATIONS
materialPLASTIC OVERALL
thickness0.062 INCHES NOMINAL IN
hole_diameter0.656 INCHES NOMINAL IN
hardness_rating83.0 ROCKWELL M MINIMUM AND 116.0 ROCKWELL M MAXIMUM
overall_diameter1.406 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
minimum_tensile_strength11100 POUNDS PER SQUARE INCH LBS
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-752-7737
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: D8288-15 · 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: 1.406 INCHES NOMINAL IN
•
HARDNESS RATING: 83.0 ROCKWELL M MINIMUM AND 116.0 ROCKWELL M MAXIMUM
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MINIMUM TENSILE STRENGTH: 11100 POUNDS PER SQUARE INCH LBS
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: PLASTIC OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.656 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER1.406 INCHES NOMINAL IN
HARDNESS RATING83.0 ROCKWELL M MINIMUM AND 116.0 ROCKWELL M MAXIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MINIMUM TENSILE STRENGTH11100 POUNDS PER SQUARE INCH LBS
PERIPHERAL SHAPE STYLEROUND
MATERIALPLASTIC OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.656 INCHES NOMINAL IN
THICKNESS0.062 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 D8288-15?
D8288-15 is a WASHER,FLAT.
What is the NSN for D8288-15?
D8288-15 is cataloged in the U.S. Government catalog under NSN 5310-00-752-7737. 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.