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820-3903 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

820-3903: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER AND CORK OVERALL, hardness_rating: 70.0 SHORE DUROMETER A MINIMUM AND 90.0 SHORE DUROMETER A MAXIMUM OVERALL, outside_diameter: 0.953 INCHES NOMINAL IN, special_features: COLOR BLACK, style_designator: CIRCULAR, aperture_diameter: 0.562 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-147-8754, 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
820-3903
NSN: 5330-01-147-8754
NIINs: 011478754, 013210459
FSC: 5330 — Packing and Gasket Materials
CAGE: 06991 — PHIILLIPS & TEMRO INDUSTRIES INC DIV INDUSTRIAL (USA)
SPECIFICATIONS
materialRUBBER AND CORK OVERALL
hardness_rating70.0 SHORE DUROMETER A MINIMUM AND 90.0 SHORE DUROMETER A MAXIMUM OVERALL
outside_diameter0.953 INCHES NOMINAL IN
special_featuresCOLOR BLACK
style_designatorCIRCULAR
aperture_diameter0.562 INCHES NOMINAL IN
cross-sectional_thickness0.085 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-01-147-8754
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 820-3903 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: 0.085 INCHES NOMINAL IN
•
HARDNESS RATING: 70.0 SHORE DUROMETER A MINIMUM AND 90.0 SHORE DUROMETER A MAXIMUM OVERALL
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 0.953 INCHES NOMINAL IN
•
APERTURE DIAMETER: 0.562 INCHES NOMINAL IN
•
MATERIAL: RUBBER AND CORK OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.085 INCHES NOMINAL IN
HARDNESS RATING70.0 SHORE DUROMETER A MINIMUM AND 90.0 SHORE DUROMETER A MAXIMUM OVERALL
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER0.953 INCHES NOMINAL IN
APERTURE DIAMETER0.562 INCHES NOMINAL IN
SPECIAL FEATURESCOLOR BLACK
MATERIALRUBBER AND CORK OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
5731130Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 820-3903?
820-3903 is a GASKET.
What parts can replace 820-3903?
There is 1 known substitute for 820-3903: 5731130. Substitute compatibility should be verified for your specific system.
What is the NSN for 820-3903?
820-3903 is cataloged in the U.S. Government catalog under NSN 5330-01-147-8754. This indicates validated use in U.S. government and defense supply chains.
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