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17-56026 — PISTON,INTERNAL COMBUSTION ENGIN

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

17-56026: PISTON,INTERNAL COMBUSTION ENGIN.

PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include material: RUBBER CHLOROPRENE CLASS CR, cross-sectional_height: 0.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-514-4921, 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
17-56026
NSN: 5331-00-514-4921
NIINs: 005144921, 011234925
FSC: 5331 — O-ring
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR
cross-sectional_height0.125 INCHES NOMINAL IN
NSN5331-00-514-4921
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 17-56026 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 HEIGHT: 0.125 INCHES NOMINAL IN
•
MATERIAL: RUBBER CHLOROPRENE CLASS CR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.125 INCHES NOMINAL IN
MATERIALRUBBER CHLOROPRENE CLASS CR
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 17-56026?
17-56026 is a PISTON,INTERNAL COMBUSTION ENGIN.
What is the NSN for 17-56026?
17-56026 is cataloged in the U.S. Government catalog under NSN 5331-00-514-4921. This indicates validated use in U.S. government and defense supply chains.
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