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D88505 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

D88505: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: ASBESTOS AND RUBBER POLYISOPRENE NATURAL CLASS NR OR RUBBER POLYISOPRENE SYNTHETIC CLASS IR OVERALL, aperture_width: 4.490 INCHES NOMINAL IN, aperture_length: 28.240 INCHES NOMINAL IN, inside_corner_radius: 0.810 INCHES NOMINAL IN, bearing_surface_width: 0.380 INCHES NOMINAL IN, outside_corner_radius: 1.190 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-770-5940, 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
D88505
NSN: 5330-00-770-5940
FSC: 5330 — Packing and Gasket Materials
CAGE: 23926 — KOMATSU AMERICA CORPORATION (USA)
SPECIFICATIONS
materialASBESTOS AND RUBBER POLYISOPRENE NATURAL CLASS NR OR RUBBER POLYISOPRENE SYNTHETIC CLASS IR OVERALL
aperture_width4.490 INCHES NOMINAL IN
aperture_length28.240 INCHES NOMINAL IN
inside_corner_radius0.810 INCHES NOMINAL IN
bearing_surface_width0.380 INCHES NOMINAL IN
outside_corner_radius1.190 INCHES NOMINAL IN
cross-sectional_thickness0.062 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-G-12803,+1162-A MIL SPEC ALL MATERIAL RESPONSES OVERALL
NSN5330-00-770-5940
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: D88505 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: 0.062 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 0.810 INCHES NOMINAL IN
•
BEARING SURFACE WIDTH: 0.380 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-12803,+1162-A MIL SPEC ALL MATERIAL RESPONSES OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE WIDTH: 4.490 INCHES NOMINAL IN
•
APERTURE LENGTH: 28.240 INCHES NOMINAL IN
•
OUTSIDE CORNER RADIUS: 1.190 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.062 INCHES NOMINAL IN
INSIDE CORNER RADIUS0.810 INCHES NOMINAL IN
BEARING SURFACE WIDTH0.380 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-12803,+1162-A MIL SPEC ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
APERTURE WIDTH4.490 INCHES NOMINAL IN
APERTURE LENGTH28.240 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS1.190 INCHES NOMINAL IN
MATERIALASBESTOS AND RUBBER POLYISOPRENE NATURAL CLASS NR OR RUBBER POLYISOPRENE SYNTHETIC CLASS IR OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
278308R1Reference document
Same NSN cross-reference
Reference document — Secondary reference
88505Reference 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 D88505?
D88505 is a GASKET.
What parts can replace D88505?
There are 2 known substitutes for D88505: 278308R1, 88505. Substitute compatibility should be verified for your specific system.
What is the NSN for D88505?
D88505 is cataloged in the U.S. Government catalog under NSN 5330-00-770-5940. This indicates validated use in U.S. government and defense supply chains.
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