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Technical Data Sheet
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1181NC4011 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1181NC4011: GASKET.

The GASKET is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-01-194-8989, 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
1181NC4011
NSN: 5330-01-194-8989
NIINs: 011948989, 012014629
FSC: 5330 — Packing and Gasket Materials
CAGE: 830Q4 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS-WRIGHT STEAM AND AIR SOLUTIONS DIV STEAM AND AIR SOLUTIONS (USA)
SPECIFICATIONS
Part Number1181NC4011
NSN5330-01-194-8989
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1181NC4011 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 1
NH7317PIECE1181Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
HAZMAT per U.S. Government catalogAcquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1181NC4011?
1181NC4011 is a GASKET.
What parts can replace 1181NC4011?
There is 1 known substitute for 1181NC4011: NH7317PIECE1181. Substitute compatibility should be verified for your specific system.
What is the NSN for 1181NC4011?
1181NC4011 is cataloged in the U.S. Government catalog under NSN 5330-01-194-8989. This indicates validated use in U.S. government and defense supply chains.
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