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2531231 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2531231: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include hole_diameter: 0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 7.125 INCHES NOMINAL IN, aperture_width: 5.875 INCHES NOMINAL IN, overall_length: 8.562 INCHES NOMINAL IN, aperture_length: 7.312 INCHES NOMINAL IN, special_features: 0.250 IN. DISTANCE FROM OUTSIDE EDGE OF GASKET TO CENTER OF BOLT HOLES IN.

This part is cataloged in the U.S. Government catalog under NSN 5330-00-147-3221, 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
2531231
NSN: 5330-00-147-3221
FSC: 5330 — Packing and Gasket Materials
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
hole_diameter0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width7.125 INCHES NOMINAL IN
aperture_width5.875 INCHES NOMINAL IN
overall_length8.562 INCHES NOMINAL IN
aperture_length7.312 INCHES NOMINAL IN
special_features0.250 IN. DISTANCE FROM OUTSIDE EDGE OF GASKET TO CENTER OF BOLT HOLES IN
bolt_hole_quantity14
inside_corner_radius0.875 INCHES NOMINAL IN
outside_corner_radius1.500 INCHES NOMINAL IN
cross-sectional_thickness0.023 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
material_document_and_classificationMIL-G-12803,NO. +3102-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
outside_edge_to_bolt_hole_center_distance_along_width1.500 INCHES NOMINAL IN
NSN5330-00-147-3221
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2531231 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: 0.023 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
•
INSIDE CORNER RADIUS: 0.875 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-12803,NO. +3102-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
APERTURE WIDTH: 5.875 INCHES NOMINAL IN
•
APERTURE LENGTH: 7.312 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 14
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.023 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
INSIDE CORNER RADIUS0.875 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-12803,NO. +3102-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH8.562 INCHES NOMINAL IN
OVERALL WIDTH7.125 INCHES NOMINAL IN
APERTURE WIDTH5.875 INCHES NOMINAL IN
APERTURE LENGTH7.312 INCHES NOMINAL IN
BOLT HOLE QUANTITY14
SPECIAL FEATURES0.250 IN. DISTANCE FROM OUTSIDE EDGE OF GASKET TO CENTER OF BOLT HOLES IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH2.062 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2531231?
2531231 is a GASKET.
What is the NSN for 2531231?
2531231 is cataloged in the U.S. Government catalog under NSN 5330-00-147-3221. 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.