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898257-2 — GASKET

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

898257-2: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include hole_diameter: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN, bolt_hole_quantity: 18, cross-sectional_thickness: 0.016 INCHES MINIMUM AND 0.024 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-262-4527, 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
898257-2
NSN: 5310-00-262-4527
NIINs: 002624527, 012658311
FSC: 5310 — Nuts and Washers
CAGE: 24446 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
hole_diameter0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
bolt_hole_quantity18
cross-sectional_thickness0.016 INCHES MINIMUM AND 0.024 INCHES MAXIMUM IN
NSN5310-00-262-4527
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 898257-2 · 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: 0.500 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: COPPER ALLOY OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
•
THICKNESS: 0.049 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.500 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALCOPPER ALLOY OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
THICKNESS0.049 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
6520Reference document
Same NSN cross-reference
Reference document — Secondary reference
940B316Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 898257-2?
898257-2 is a GASKET.
What parts can replace 898257-2?
There are 2 known substitutes for 898257-2: 6520, 940B316. Substitute compatibility should be verified for your specific system.
What is the NSN for 898257-2?
898257-2 is cataloged in the U.S. Government catalog under NSN 5310-00-262-4527. 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.