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Technical Data Sheet
PartsTable / O-RING / 514721 ITEM 29
514721 ITEM 29 ✓ 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 part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-038-3074, 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
514721 ITEM 29
NSN: 5331-01-038-3074
FSC: 5331 — O-RING
CAGE: 44674 — THE OILGEAR COMPANY DBA JIFFY LUBE 213 DIV OILGEAR (USA)
SPECIFICATIONS
Part Number514721 ITEM 29
NSN5331-01-038-3074
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 514721 ITEM 29 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 26
M186Interchangeable
interchangeable cross-reference
interchangeable
7267AInterchangeable
interchangeable cross-reference
interchangeable
37C101019Interchangeable
interchangeable cross-reference
interchangeable
11102Interchangeable
interchangeable cross-reference
interchangeable
SMC583351Interchangeable
interchangeable cross-reference
interchangeable
AS3208-24Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 514721 ITEM 29?
514721 ITEM 29 is a O-RING.
What parts can replace 514721 ITEM 29?
There are 26 known substitutes for 514721 ITEM 29: M186, 7267A, 37C101019 and 23 more. Substitute compatibility should be verified for your specific system.
Is 514721 ITEM 29 still available?
514721 ITEM 29 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