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A52481-4 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A52481-4: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, hole_diameter: 0.172 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 1.188 INCHES MINIMUM AND 1.204 INCHES MAXIMUM IN, overall_length: 1.188 INCHES MINIMUM AND 1.204 INCHES MAXIMUM IN, style_designator: NON-CIRCULAR, aperture_diameter: 0.875 INCHES MINIMUM AND 0.891 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-641-4338, 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
A52481-4
NSN: 5330-00-641-4338
NIINs: 006414338, 014234596
FSC: 5330 — Packing and Gasket Materials
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
hole_diameter0.172 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width1.188 INCHES MINIMUM AND 1.204 INCHES MAXIMUM IN
overall_length1.188 INCHES MINIMUM AND 1.204 INCHES MAXIMUM IN
style_designatorNON-CIRCULAR
aperture_diameter0.875 INCHES MINIMUM AND 0.891 INCHES MAXIMUM IN
bolt_hole_quantity4
outside_corner_radius0.141 INCHES NOMINAL IN
cross-sectional_thickness0.031 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationASTM D2000, -2BC815 GRADE SC815C1E3 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
outside_edge_to_bolt_hole_center_distance_along_width0.141 INCHES NOMINAL IN
NSN5330-00-641-4338
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A52481-4 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM D2000 2BC815ABF1 ASSN STD ALL MATERIAL RESPONSES OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE DIAMETER: 0.875 INCHES NOMINAL IN
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
MATERIAL DOCUMENT AND CLASSIFICATIONASTM D2000 2BC815ABF1 ASSN STD ALL MATERIAL RESPONSES OVERALL
OVERALL LENGTH1.188 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH1.188 INCHES NOMINAL IN
APERTURE DIAMETER0.875 INCHES NOMINAL IN
BOLT HOLE QUANTITY4
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH0.906 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
SUBSTITUTES & CROSS-REFERENCES 10
436204-03Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
8436868-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
112737141Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
7358502Reference document
Same NSN cross-reference
Reference document — Secondary reference
10-40450-18SReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
362-562-9003Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A52481-4?
A52481-4 is a GASKET.
What parts can replace A52481-4?
There are 10 known substitutes for A52481-4: 436204-03, 8436868-3, 112737141 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A52481-4?
A52481-4 is cataloged in the U.S. Government catalog under NSN 5330-00-641-4338. 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.