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278336B-101 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

278336B-101: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYPROPYLENE OVERALL, temp_rating: 500.0 FAHRENHEIT DEGF, outside_diameter: 2.488 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 2.176 INCHES NOMINAL IN, cross-sectional_thickness: 0.010 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-143-6624, 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
278336B-101
NSN: 5330-01-143-6624
FSC: 5330 — Packing and Gasket Materials
CAGE: 3H889 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS (USA)
SPECIFICATIONS
materialPLASTIC POLYPROPYLENE OVERALL
temp_rating500.0 FAHRENHEIT DEGF
outside_diameter2.488 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter2.176 INCHES NOMINAL IN
cross-sectional_thickness0.010 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationAMS 3661 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-143-6624
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 278336B-101 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
•
TEMP RATING: 500.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL THICKNESS: 0.010 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 3661 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 2.488 INCHES NOMINAL IN
•
APERTURE DIAMETER: 2.176 INCHES NOMINAL IN
•
MATERIAL: PLASTIC POLYPROPYLENE OVERALL
TECHNICAL CHARACTERISTICS
TEMP RATING500.0 FAHRENHEIT DEGF
CROSS-SECTIONAL THICKNESS0.010 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 3661 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER2.488 INCHES NOMINAL IN
APERTURE DIAMETER2.176 INCHES NOMINAL IN
MATERIALPLASTIC POLYPROPYLENE 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
2783368-101Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 278336B-101?
278336B-101 is a GASKET.
What parts can replace 278336B-101?
There is 1 known substitute for 278336B-101: 2783368-101. Substitute compatibility should be verified for your specific system.
What is the NSN for 278336B-101?
278336B-101 is cataloged in the U.S. Government catalog under NSN 5330-01-143-6624. 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.