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Technical Data Sheet

SIZE12 BUNA N 4 7-741 CL1 — Technical Data Sheet

✓ 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 under NSN 5331-00-579-6495, 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
SIZE12 BUNA N 4 7-741 CL1
NSN: 5331-00-579-6495
FSC: 5331 — O-RING
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
Part NumberSIZE12 BUNA N 4 7-741 CL1
NSN5331-00-579-6495
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SIZE12 BUNA N 4 7-741 CL1 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 35
CI-0012InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
P49708-12InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AS568-012InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
P49708-012InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
P49708-0012InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
28-7140InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SIZE12 BUNA N 4 7-741 CL1?
SIZE12 BUNA N 4 7-741 CL1 is a O-RING.
What parts can replace SIZE12 BUNA N 4 7-741 CL1?
There are 35 known substitutes for SIZE12 BUNA N 4 7-741 CL1: CI-0012, P49708-12, AS568-012 and 32 more. Substitute compatibility should be verified for your specific system.
Is SIZE12 BUNA N 4 7-741 CL1 still available?
SIZE12 BUNA N 4 7-741 CL1 is currently cancelled.
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