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D88502 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

D88502: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: CELLULOSE OVERALL, hole_diameter: 0.470 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 4.750 INCHES NOMINAL IN, aperture_diameter: 0.250 INCHES NOMINAL IN, bolt_circle_diameter: 3.750 INCHES NOMINAL IN, outside_corner_radius: 0.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-803-0253, 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
D88502
NSN: 5330-00-803-0253
FSC: 5330 — Packing and Gasket Materials
CAGE: 23926 — KOMATSU AMERICA CORPORATION (USA)
SPECIFICATIONS
materialCELLULOSE OVERALL
hole_diameter0.470 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width4.750 INCHES NOMINAL IN
aperture_diameter0.250 INCHES NOMINAL IN
bolt_circle_diameter3.750 INCHES NOMINAL IN
outside_corner_radius0.500 INCHES NOMINAL IN
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
side_radius_from_gasket_center1.530 INCHES NOMINAL IN
NSN5330-00-803-0253
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: D88502 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CROSS-SECTIONAL THICKNESS: 0.031 INCHES NOMINAL IN
•
SIDE RADIUS FROM GASKET CENTER: 1.530 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE DIAMETER: 0.250 INCHES NOMINAL IN
•
BOLT CIRCLE DIAMETER: 3.750 INCHES NOMINAL IN
•
OUTSIDE CORNER RADIUS: 0.500 INCHES NOMINAL IN
•
MATERIAL: CELLULOSE OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
SIDE RADIUS FROM GASKET CENTER1.530 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH4.750 INCHES NOMINAL IN
APERTURE DIAMETER0.250 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER3.750 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS0.500 INCHES NOMINAL IN
MATERIALCELLULOSE OVERALL
HOLE DIAMETER0.470 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
SUBSTITUTES & CROSS-REFERENCES 2
278280R1Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
88502Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 D88502?
D88502 is a GASKET.
What parts can replace D88502?
There are 2 known substitutes for D88502: 278280R1, 88502. Substitute compatibility should be verified for your specific system.
What is the NSN for D88502?
D88502 is cataloged in the U.S. Government catalog under NSN 5330-00-803-0253. This indicates validated use in U.S. government and defense supply chains.
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