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Technical Data Sheet
PartsTable / O-RING / PL-52601 PIECE 55
PL-52601 PIECE 55 ✓ 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 O-RING 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 5331-01-231-5208, 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
PL-52601 PIECE 55
NSN: 5331-01-231-5208
FSC: 5331 — O-RING
CAGE: 81400 — HASKEL INTERNATIONAL, LLC DBA HASKEL INTERNATIONAL, LLC (USA)
SPECIFICATIONS
Part NumberPL-52601 PIECE 55
NSN5331-01-231-5208
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: PL-52601 PIECE 55 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 12
NC805PC52Interchangeable
interchangeable cross-reference
interchangeable
NC1901PC52Interchangeable
interchangeable cross-reference
interchangeable
27273Interchangeable
interchangeable cross-reference
interchangeable
830-012Interchangeable
interchangeable cross-reference
interchangeable
8521Interchangeable
interchangeable cross-reference
interchangeable
0051130-012Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PL-52601 PIECE 55?
PL-52601 PIECE 55 is a O-RING.
What parts can replace PL-52601 PIECE 55?
There are 12 known substitutes for PL-52601 PIECE 55: NC805PC52, NC1901PC52, 27273 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PL-52601 PIECE 55?
PL-52601 PIECE 55 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-231-5208. 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