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Technical Data Sheet
PartsTable / O-RING / 3-912 NBR
3-912 NBR ✓ 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 5331-01-480-2366, 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
3-912 NBR
NSN: 5331-01-480-2366
FSC: 5331 — O-RING
CAGE: Z19M6 — ENZED ALBURY SHARGUE ENTERPRISES PTY LTD (AUS)
SPECIFICATIONS
Part Number3-912 NBR
NSN5331-01-480-2366
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3-912 NBR 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 23
CA030166Interchangeable
interchangeable cross-reference
interchangeable
3912Interchangeable
interchangeable cross-reference
interchangeable
CV2031340-8301VEQPC49Interchangeable
interchangeable cross-reference
interchangeable
201-365PC70Interchangeable
interchangeable cross-reference
interchangeable
201-370PC49Interchangeable
interchangeable cross-reference
interchangeable
D2500FF-B16.24 ITEM 19Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3-912 NBR?
3-912 NBR is a O-RING.
What parts can replace 3-912 NBR?
There are 23 known substitutes for 3-912 NBR: CA030166, 3912, CV2031340-8301VEQPC49 and 20 more. Substitute compatibility should be verified for your specific system.
Is 3-912 NBR still available?
3-912 NBR 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