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Technical Data Sheet
K55/IR ✓ 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 K55/IR 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 5340-01-368-8700, 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
K55/IR
NSN: 5340-01-368-8700
FSC: 5340
CAGE: 0KWT0 — RSP INDUSTRIES INC (USA)
SPECIFICATIONS
Part NumberK55/IR
NSN5340-01-368-8700
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: K55/IR 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
0055-1Interchangeable
interchangeable cross-reference
interchangeable
0055Interchangeable
interchangeable cross-reference
interchangeable
463NInterchangeable
interchangeable cross-reference
interchangeable
463N PIECE NO.0055Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is K55/IR?
K55/IR is a K55/IR.
What parts can replace K55/IR?
There are 4 known substitutes for K55/IR: 0055-1, 0055, 463N and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for K55/IR?
K55/IR is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-368-8700. This indicates validated use in U.S. government and defense supply chains.
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