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666274-090 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

666274-090: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE CLASS Q OVERALL, hardness_rating: 50.0 SHORE DUROMETER A NOMINAL OVERALL, outside_diameter: 5.851 INCHES NOMINAL IN, aperture_diameter: 5.690 INCHES NOMINAL IN, cross-sectional_thickness: 0.140 INCHES NOMINAL IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-727-8518, 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
666274-090
NSN: 5330-00-727-8518
FSC: 5330 — Packing and Gasket Materials
CAGE: 12436 — BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. DIV BAE SYSTEMS INFORMATION & ELECTRONIC SYSTEMS INTEGRATION INC (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q OVERALL
hardness_rating50.0 SHORE DUROMETER A NOMINAL OVERALL
outside_diameter5.851 INCHES NOMINAL IN
aperture_diameter5.690 INCHES NOMINAL IN
cross-sectional_thickness0.140 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-R-5847 CL 3 GR 50 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-727-8518
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 666274-090 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: 0.140 INCHES NOMINAL IN
•
HARDNESS RATING: 50.0 SHORE DUROMETER A NOMINAL OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-5847 CL 3 GR 50 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 5.851 INCHES NOMINAL IN
•
APERTURE DIAMETER: 5.690 INCHES NOMINAL IN
•
MATERIAL: RUBBER SILICONE CLASS Q OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.140 INCHES NOMINAL IN
HARDNESS RATING50.0 SHORE DUROMETER A NOMINAL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-5847 CL 3 GR 50 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER5.851 INCHES NOMINAL IN
APERTURE DIAMETER5.690 INCHES NOMINAL IN
MATERIALRUBBER SILICONE CLASS Q 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 666274-090?
666274-090 is a GASKET.
What is the NSN for 666274-090?
666274-090 is cataloged in the U.S. Government catalog under NSN 5330-00-727-8518. This indicates validated use in U.S. government and defense supply chains.
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