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PartsTable / COMPONENT / NP11191PC5351
NP11191PC5351 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The GASKET is a the manufacturer industrial component. Key specifications include overall_width: 7.250 INCHES NOMINAL IN, overall_length: 8.938 INCHES NOMINAL IN, aperture_diameter: 4.094 INCHES NOMINAL IN, cross-sectional_thickness: 0.015 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-146-2745, 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
NP11191PC5351
NSN: 5330-00-146-2745
FSC: 5330
CAGE: 55509 — COOPER CAMERON CORP AJAX-SUPERIOR DIV (USA)
SPECIFICATIONS
overall_width7.250 INCHES NOMINAL IN
overall_length8.938 INCHES NOMINAL IN
aperture_diameter4.094 INCHES NOMINAL IN
cross-sectional_thickness0.015 INCHES NOMINAL IN
NSN5330-00-146-2745
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NP11191PC5351 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: 0.015 INCHES NOMINAL IN
•
APERTURE DIAMETER: 4.094 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH7.250 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.015 INCHES NOMINAL IN
APERTURE DIAMETER4.094 INCHES NOMINAL IN
OVERALL LENGTH8.938 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
258802Interchangeable
interchangeable cross-reference
interchangeable
457221Interchangeable
interchangeable cross-reference
interchangeable
X552AInterchangeable
interchangeable cross-reference
interchangeable
30F95Interchangeable
interchangeable cross-reference
interchangeable
BRSAZ1Interchangeable
interchangeable cross-reference
interchangeable
NP2062PC2Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NP11191PC5351?
NP11191PC5351 is a GASKET.
What parts can replace NP11191PC5351?
There are 14 known substitutes for NP11191PC5351: 258802, 457221, X552A and 11 more. Substitute compatibility should be verified for your specific system.
Is NP11191PC5351 still available?
NP11191PC5351 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026