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502655 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

502655: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: ASBESTOS AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, outside_diameter: 1.120 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 0.520 INCHES NOMINAL IN, cross-sectional_thickness: 0.020 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-776-7933, 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
502655
NSN: 5330-00-776-7933
FSC: 5330 — Packing and Gasket Materials
CAGE: 63728 — SEALCRAFT CORPORATION (USA)
SPECIFICATIONS
materialASBESTOS AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
outside_diameter1.120 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter0.520 INCHES NOMINAL IN
cross-sectional_thickness0.020 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-G-12803,+1141-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-776-7933
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 502655 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: 0.020 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-12803,+1141-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 1.120 INCHES NOMINAL IN
•
APERTURE DIAMETER: 0.520 INCHES NOMINAL IN
•
MATERIAL: ASBESTOS AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.020 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-12803,+1141-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER1.120 INCHES NOMINAL IN
APERTURE DIAMETER0.520 INCHES NOMINAL IN
MATERIALASBESTOS AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
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
7767933Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 502655?
502655 is a GASKET.
What parts can replace 502655?
There is 1 known substitute for 502655: 7767933. Substitute compatibility should be verified for your specific system.
What is the NSN for 502655?
502655 is cataloged in the U.S. Government catalog under NSN 5330-00-776-7933. 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.