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2-283-023-378 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2-283-023-378: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER OVERALL, outside_diameter: 2.252 INCHES MINIMUM AND 2.256 INCHES MAXIMUM IN, style_designator: CIRCULAR, aperture_diameter: 1.438 INCHES NOMINAL IN, cross-sectional_thickness: 0.250 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-448-6982, 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
2-283-023-378
NSN: 5330-00-448-6982
FSC: 5330 — Packing and Gasket Materials
CAGE: 63097 — VIKING PUMP, INC (USA)
SPECIFICATIONS
materialRUBBER OVERALL
outside_diameter2.252 INCHES MINIMUM AND 2.256 INCHES MAXIMUM IN
style_designatorCIRCULAR
aperture_diameter1.438 INCHES NOMINAL IN
cross-sectional_thickness0.250 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-448-6982
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2-283-023-378 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: 0.250 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 2.252 INCHES MINIMUM AND 2.256 INCHES MAXIMUM IN
•
APERTURE DIAMETER: 1.438 INCHES NOMINAL IN
•
MATERIAL: RUBBER OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.250 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER2.252 INCHES MINIMUM AND 2.256 INCHES MAXIMUM IN
APERTURE DIAMETER1.438 INCHES NOMINAL IN
MATERIALRUBBER 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
03BRS-216-128-4Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 2-283-023-378?
2-283-023-378 is a GASKET.
What parts can replace 2-283-023-378?
There is 1 known substitute for 2-283-023-378: 03BRS-216-128-4. Substitute compatibility should be verified for your specific system.
What is the NSN for 2-283-023-378?
2-283-023-378 is cataloged in the U.S. Government catalog under NSN 5330-00-448-6982. 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.