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PartsTable / COMPONENT / A52481-4
A52481-4 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

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 Federal Logistics Information System (FLIS) 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
FSC: 5330
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
•
OUTSIDE CORNER RADIUS: 0.141 INCHES NOMINAL IN
•
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH: 0.141 INCHES NOMINAL IN
•
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG WIDTH: 0.141 INCHES NOMINAL IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM OVERALL
•
HOLE DIAMETER: 0.172 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
BOLT HOLE QUANTITY: 4
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH: 0.906 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH1.188 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS0.141 INCHES NOMINAL IN
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH0.141 INCHES NOMINAL IN
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG WIDTH0.141 INCHES NOMINAL IN
HARDNESS RATING75.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM OVERALL
HOLE DIAMETER0.172 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
BOLT HOLE QUANTITY4
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH0.906 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
OVERALL LENGTH1.188 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM D2000 2BC815ABF1 ASSN STD ALL MATERIAL RESPONSES OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
5330002387383Interchangeable
interchangeable cross-reference
interchangeable
MS52000-1Interchangeable
interchangeable cross-reference
interchangeable
11243Interchangeable
interchangeable cross-reference
interchangeable
PRP902-27Interchangeable
interchangeable cross-reference
interchangeable
114261Interchangeable
interchangeable cross-reference
interchangeable
1217076-206Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A52481-4?
A52481-4 is a GASKET.
What parts can replace A52481-4?
There are 31 known substitutes for A52481-4: 5330002387383, MS52000-1, 11243 and 28 more. Substitute compatibility should be verified for your specific system.
Is A52481-4 still available?
A52481-4 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026