PartsTable
Technical Data Sheet
P7431 ✓ 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

PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include height: 54.000 FEET NOMINAL FT, supported_item_name: MULTIPURPOSE, part_name_assigned_by_controlling_agency: TILT TOWER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-158-0692, 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
P7431
NSN: 5340-00-158-0692
FSC: 5340
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
height54.000 FEET NOMINAL FT
special_featuresADVANCED COMPOSITE TOWER THAT RESISTS CORROSION AND REQUIRES FEWER RESOURCES FOR CONSTRUCTION AND FIELDING; MAINTENANCE CAN BE PERFORMED ON GROUND
supported_item_nameMULTIPURPOSE
part_name_assigned_by_controlling_agencyTILT TOWER
NSN5340-00-158-0692
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: P7431 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 4
22225PNInterchangeable
interchangeable cross-reference
interchangeable
L140NFInterchangeable
interchangeable cross-reference
interchangeable
1600PInterchangeable
interchangeable cross-reference
interchangeable
P8906Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is P7431?
P7431 is a PISTON,INTERNAL COMBUSTION ENGIN.
What parts can replace P7431?
There are 4 known substitutes for P7431: 22225PN, L140NF, 1600P and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for P7431?
P7431 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-158-0692. This indicates validated use in U.S. government and defense supply chains.
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