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278246 — RADIATOR,ENGINE COOLANT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

278246: RADIATOR,ENGINE COOLANT.

The RADIATOR,ENGINE COOLANT is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061 OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 0.4990 INCHES MINIMUM AND 0.5010 INCHES MAXIMUM IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 0.1940 INCHES NOMINAL IN, body_outside_diameter: 0.2500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-478-6310, 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
278246
NSN: 5330-00-478-6310
NIINs: 004786310, 011077948, 013513308
FSC: 5330 — Packing and Gasket Materials
CAGE: K0161 — PERKINS ENGINES COMPANY LTD - PERKINS PARTS DISTRIBUTION CENTRE UK (GBR)
SPECIFICATIONS
materialALUMINUM ALLOY 6061 OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length0.4990 INCHES MINIMUM AND 0.5010 INCHES MAXIMUM IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter0.1940 INCHES NOMINAL IN
body_outside_diameter0.2500 INCHES NOMINAL IN
material_document_and_classificationWW-T-700/6,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-478-6310
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 278246 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
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 278246?
278246 is a RADIATOR,ENGINE COOLANT.
What is the NSN for 278246?
278246 is cataloged in the U.S. Government catalog under NSN 5330-00-478-6310. 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.