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P1426 ✓ 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 material: STEEL, style_designator: CLEVIS, pipe_accommodation_diameter: 0.500 INCHES NOMINAL IN, supported_item_and_quantity: 1 PIPE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-042-1084, 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
P1426
NSN: 5340-00-042-1084
FSC: 5340
CAGE: 96195 — UNISTRUT INTERNATIONAL CORPORATION DBA UNISTRUT DIVERSIFIED PRODUCTS (USA)
SPECIFICATIONS
materialSTEEL
style_designatorCLEVIS
pipe_accommodation_diameter0.500 INCHES NOMINAL IN
supported_item_and_quantity1 PIPE
NSN5340-00-042-1084
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: P1426 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
•
SUPPORTED ITEM AND QUANTITY: 1 PIPE
•
MATERIAL: STEEL
•
PIPE ACCOMMODATION DIAMETER: 0.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CLEVIS
TECHNICAL CHARACTERISTICS (FLIS)
SUPPORTED ITEM AND QUANTITY1 PIPE
MATERIALSTEEL
PIPE ACCOMMODATION DIAMETER0.500 INCHES NOMINAL IN
STYLE DESIGNATORCLEVIS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
996PInterchangeable
interchangeable cross-reference
interchangeable
337144C31Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is P1426?
P1426 is a PISTON,INTERNAL COMBUSTION ENGIN.
What parts can replace P1426?
There are 2 known substitutes for P1426: 996P, 337144C31. Substitute compatibility should be verified for your specific system.
Is P1426 still available?
P1426 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