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Technical Data Sheet
PartsTable / COMPONENT / 52-W-2291-21
52-W-2291-21 ✓ 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 SEAL,PLAIN ENCASED is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-154-8487, 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
52-W-2291-21
NSN: 5330-00-154-8487
FSC: 5330
CAGE: 21439 — CURTISS-WRIGHT FLOW CONTROL SERVICE, LLC DBA ENGINEERED ARRESTING SYSTEMS - ESCO DIV CW FLOW CONTROL SVC LLC DBA (USA)
SPECIFICATIONS
Part Number52-W-2291-21
NSN5330-00-154-8487
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 52-W-2291-21 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 21
84798Interchangeable
interchangeable cross-reference
interchangeable
11074Interchangeable
interchangeable cross-reference
interchangeable
UP4Interchangeable
interchangeable cross-reference
interchangeable
52W1172-8Interchangeable
interchangeable cross-reference
interchangeable
N200Interchangeable
interchangeable cross-reference
interchangeable
704-1557Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 52-W-2291-21?
52-W-2291-21 is a SEAL,PLAIN ENCASED.
What parts can replace 52-W-2291-21?
There are 21 known substitutes for 52-W-2291-21: 84798, 11074, UP4 and 18 more. Substitute compatibility should be verified for your specific system.
Is 52-W-2291-21 still available?
52-W-2291-21 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