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N141002640 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

N141002640: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER ETHYLENE-PROPYLENE CLASS EPM OVERALL, temp_rating: -70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF, hardness_rating: 80.0 SHORE DUROMETER A NOMINAL OVERALL, special_features: MATERIAL IS ETHYLENE PROPYLENE SIZE IS 11.984 I.D. X.139 W W, peripheral_diameter: 12.189 INCHES MINIMUM AND 12.335 INCHES MAXIMUM IN, center_hole_diameter: 11.919 INCHES MINIMUM AND 12.049 INCHES MAXIMUM IN.

This part is cataloged in the U.S. Government catalog under NSN 5330-01-309-2066, 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
N141002640
NSN: 5330-01-309-2066
FSC: 5330 — Packing and Gasket Materials
CAGE: A2309 — WASS SRL (ITA)
SPECIFICATIONS
materialRUBBER ETHYLENE-PROPYLENE CLASS EPM OVERALL
temp_rating-70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
hardness_rating80.0 SHORE DUROMETER A NOMINAL OVERALL
special_featuresMATERIAL IS ETHYLENE PROPYLENE SIZE IS 11.984 I.D. X.139 W W
peripheral_diameter12.189 INCHES MINIMUM AND 12.335 INCHES MAXIMUM IN
center_hole_diameter11.919 INCHES MINIMUM AND 12.049 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
NSN5330-01-309-2066
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: N141002640 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: -70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
HARDNESS RATING: 80.0 SHORE DUROMETER A NOMINAL OVERALL
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
PERIPHERAL DIAMETER: 12.189 INCHES MINIMUM AND 12.335 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 11.919 INCHES MINIMUM AND 12.049 INCHES MAXIMUM IN
•
MATERIAL: RUBBER ETHYLENE-PROPYLENE CLASS EPM OVERALL
TECHNICAL CHARACTERISTICS
TEMP RATING-70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
HARDNESS RATING80.0 SHORE DUROMETER A NOMINAL OVERALL
CRITICALITY CODE JUSTIFICATIONZZZY
PERIPHERAL DIAMETER12.189 INCHES MINIMUM AND 12.335 INCHES MAXIMUM IN
SPECIAL FEATURESMATERIAL IS ETHYLENE PROPYLENE SIZE IS 11.984 I.D. X.139 W W
CENTER HOLE DIAMETER11.919 INCHES MINIMUM AND 12.049 INCHES MAXIMUM IN
MATERIALRUBBER ETHYLENE-PROPYLENE CLASS EPM OVERALL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
SUBSTITUTES & CROSS-REFERENCES 2
2-278E540-80Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
999D0479PC7Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is N141002640?
N141002640 is a PACKING,PREFORMED.
What parts can replace N141002640?
There are 2 known substitutes for N141002640: 2-278E540-80, 999D0479PC7. Substitute compatibility should be verified for your specific system.
What is the NSN for N141002640?
N141002640 is cataloged in the U.S. Government catalog under NSN 5330-01-309-2066. 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.