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Technical Data Sheet
PartsTable / COMPONENT / 5P7191
5P7191 ✓ 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 BUTTON,PLUG is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-306-5887, 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
5P7191
NSN: 5340-01-306-5887
FSC: 5340
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
Part Number5P7191
NSN5340-01-306-5887
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5P7191 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
4122Upgraded Successor
successor cross-reference
successor
25954-1-10Interchangeable
interchangeable cross-reference
interchangeable
AS4167 TY2CL2STDInterchangeable
interchangeable cross-reference
interchangeable
BLK4122Interchangeable
interchangeable cross-reference
interchangeable
RX22AInterchangeable
interchangeable cross-reference
interchangeable
57353AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5P7191?
5P7191 is a BUTTON,PLUG.
What parts can replace 5P7191?
There are 13 known substitutes for 5P7191: 4122, 25954-1-10, AS4167 TY2CL2STD and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5P7191?
5P7191 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-306-5887. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026