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A308522 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A308522: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER CHLOROPRENE CLASS CR OVERALL, overall_width: 1.788 INCHES MINIMUM AND 1.808 INCHES MAXIMUM IN, aperture_width: 3.918 INCHES NOMINAL IN, overall_length: 4.038 INCHES MINIMUM AND 4.058 INCHES MAXIMUM IN, aperture_length: 1.668 INCHES NOMINAL IN, hardness_rating: 30.0 SHORE DUROMETER A NOMINAL OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-288-1465, 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
A308522
NSN: 5330-01-288-1465
FSC: 5330 — Packing and Gasket Materials
CAGE: U8607 — SOUTHERN SCIENTIFIC LTD (GBR)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR OVERALL
overall_width1.788 INCHES MINIMUM AND 1.808 INCHES MAXIMUM IN
aperture_width3.918 INCHES NOMINAL IN
overall_length4.038 INCHES MINIMUM AND 4.058 INCHES MAXIMUM IN
aperture_length1.668 INCHES NOMINAL IN
hardness_rating30.0 SHORE DUROMETER A NOMINAL OVERALL
style_designatorNON-CIRCULAR
inside_corner_radius0.047 INCHES NOMINAL IN
outside_corner_radius0.141 INCHES NOMINAL IN
cross-sectional_thickness0.030 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-R-365 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-288-1465
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A308522 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: 0.030 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 0.047 INCHES NOMINAL IN
•
HARDNESS RATING: 30.0 SHORE DUROMETER A NOMINAL OVERALL
•
STYLE DESIGNATOR: NON-CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-365 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.030 INCHES NOMINAL IN
INSIDE CORNER RADIUS0.047 INCHES NOMINAL IN
HARDNESS RATING30.0 SHORE DUROMETER A NOMINAL OVERALL
STYLE DESIGNATORNON-CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-365 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH4.038 INCHES MINIMUM AND 4.058 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH1.788 INCHES MINIMUM AND 1.808 INCHES MAXIMUM IN
APERTURE WIDTH3.918 INCHES NOMINAL IN
APERTURE LENGTH1.668 INCHES NOMINAL 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 1
A3085222Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A308522?
A308522 is a GASKET.
What parts can replace A308522?
There is 1 known substitute for A308522: A3085222. Substitute compatibility should be verified for your specific system.
What is the NSN for A308522?
A308522 is cataloged in the U.S. Government catalog under NSN 5330-01-288-1465. 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.