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31021F — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

31021F: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: ASBESTOS AND STEEL OVERALL, hole_diameter: 0.562 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 3.000 INCHES NOMINAL IN, aperture_width: 2.000 INCHES NOMINAL IN, overall_length: 7.250 INCHES NOMINAL IN, aperture_length: 4.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-291-7447, 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
31021F
NSN: 5330-00-291-7447
FSC: 5330 — Packing and Gasket Materials
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
materialASBESTOS AND STEEL OVERALL
hole_diameter0.562 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width3.000 INCHES NOMINAL IN
aperture_width2.000 INCHES NOMINAL IN
overall_length7.250 INCHES NOMINAL IN
aperture_length4.750 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
inside_corner_radius1.000 INCHES NOMINAL IN
cross-sectional_thickness0.094 INCHES NOMINAL IN
cross-sectional_shape_styleMETAL WITH SOFT FILLER
center_to_center_distance_between_bolt_holes_along_length6.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
NSN5330-00-291-7447
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 31021F 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: 0.094 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 1.000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: METAL WITH SOFT FILLER
•
APERTURE WIDTH: 2.000 INCHES NOMINAL IN
•
APERTURE LENGTH: 4.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.094 INCHES NOMINAL IN
INSIDE CORNER RADIUS1.000 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
OVERALL LENGTH7.250 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEMETAL WITH SOFT FILLER
OVERALL WIDTH3.000 INCHES NOMINAL IN
APERTURE WIDTH2.000 INCHES NOMINAL IN
APERTURE LENGTH4.750 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH6.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
MATERIALASBESTOS AND STEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 8
15023Reference document
Same NSN cross-reference
Reference document — Secondary reference
17054AReference document
Same NSN cross-reference
Reference document — Secondary reference
8928Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2UU0535Reference document
Same NSN cross-reference
Reference document — Secondary reference
BB1021Reference document
Same NSN cross-reference
Reference document — Secondary reference
15023AReference 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 31021F?
31021F is a GASKET.
What parts can replace 31021F?
There are 8 known substitutes for 31021F: 15023, 17054A, 8928 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 31021F?
31021F is cataloged in the U.S. Government catalog under NSN 5330-00-291-7447. This indicates validated use in U.S. government and defense supply chains.
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