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Technical Data Sheet
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99018-31 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

99018-31: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER OVERALL, hole_diameter: 0.203 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 2.000 INCHES NOMINAL IN, overall_length: 2.000 INCHES NOMINAL IN, hardness_rating: 75.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM OVERALL, special_features: CLOTH AND SYNTHETIC RUBBER MATERIAL. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-599-6089, 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
99018-31
NSN: 5330-00-599-6089
FSC: 5330 — Packing and Gasket Materials
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
materialRUBBER OVERALL
hole_diameter0.203 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width2.000 INCHES NOMINAL IN
overall_length2.000 INCHES NOMINAL IN
hardness_rating75.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM OVERALL
special_featuresCLOTH AND SYNTHETIC RUBBER MATERIAL
style_designatorNON-CIRCULAR
aperture_diameter1.750 INCHES NOMINAL IN
bolt_hole_quantity4
outside_corner_radius0.219 INCHES NOMINAL IN
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-599-6089
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 99018-31 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
•
HARDNESS RATING: 75.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM OVERALL
•
STYLE DESIGNATOR: NON-CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE DIAMETER: 1.750 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 4
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
HARDNESS RATING75.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM OVERALL
STYLE DESIGNATORNON-CIRCULAR
OVERALL LENGTH2.000 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH2.000 INCHES NOMINAL IN
APERTURE DIAMETER1.750 INCHES NOMINAL IN
BOLT HOLE QUANTITY4
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH1.563 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
SPECIAL FEATURESCLOTH AND SYNTHETIC RUBBER MATERIAL
SUBSTITUTES & CROSS-REFERENCES 7
36071Reference document
px2-300d 0TB
Reference document — Secondary reference
811GU0132Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
8436868-9Reference document
Same NSN cross-reference
Reference document — Secondary reference
Q314226210Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
10040097Reference document
Same NSN cross-reference
Reference document — Secondary reference
A042036071Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 99018-31?
99018-31 is a GASKET.
What parts can replace 99018-31?
There are 7 known substitutes for 99018-31: 36071, 811GU0132, 8436868-9 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 99018-31?
99018-31 is cataloged in the U.S. Government catalog under NSN 5330-00-599-6089. This indicates validated use in U.S. government and defense supply chains.
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