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Technical Data Sheet
PartsTable / COMPONENT / 27271 ITEM NO. 18
27271 ITEM NO. 18 ✓ 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 27271 ITEM NO. 18 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 5330-01-644-2106, 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
27271 ITEM NO. 18
NSN: 5330-01-644-2106
FSC: 5330
CAGE: 63743 — WARD LEONARD CT LLC (USA)
SPECIFICATIONS
Part Number27271 ITEM NO. 18
NSN5330-01-644-2106
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 27271 ITEM NO. 18 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
722899-066Interchangeable
interchangeable cross-reference
interchangeable
TF4X01JAInterchangeable
interchangeable cross-reference
interchangeable
2722-1Interchangeable
interchangeable cross-reference
interchangeable
111024R1Interchangeable
interchangeable cross-reference
interchangeable
791-007-9020Interchangeable
interchangeable cross-reference
interchangeable
12716018Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 27271 ITEM NO. 18?
27271 ITEM NO. 18 is a 27271 ITEM NO. 18.
What parts can replace 27271 ITEM NO. 18?
There are 12 known substitutes for 27271 ITEM NO. 18: 722899-066, TF4X01JA, 2722-1 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 27271 ITEM NO. 18?
27271 ITEM NO. 18 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-644-2106. 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