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12278969 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12278969: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: WOOL OVERALL, outside_diameter: 4.3750 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 3.7600 INCHES NOMINAL IN, cross-sectional_thickness: 0.0600 INCHES NOMINAL IN, cross-sectional_shape_style: RECTANGULAR METAL. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-079-2942, 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
12278969
NSN: 5330-01-079-2942
FSC: 5330 — Packing and Gasket Materials
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialWOOL OVERALL
outside_diameter4.3750 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter3.7600 INCHES NOMINAL IN
cross-sectional_thickness0.0600 INCHES NOMINAL IN
cross-sectional_shape_styleRECTANGULAR METAL
NSN5330-01-079-2942
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12278969 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: 0.0600 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR METAL
•
OUTSIDE DIAMETER: 4.3750 INCHES NOMINAL IN
•
APERTURE DIAMETER: 3.7600 INCHES NOMINAL IN
•
MATERIAL: WOOL OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.0600 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLERECTANGULAR METAL
OUTSIDE DIAMETER4.3750 INCHES NOMINAL IN
APERTURE DIAMETER3.7600 INCHES NOMINAL IN
MATERIALWOOL 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
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12278969?
12278969 is a GASKET.
What is the NSN for 12278969?
12278969 is cataloged in the U.S. Government catalog under NSN 5330-01-079-2942. 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.