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Technical Data Sheet
PartsTable / COMPONENT / 3-905 NBR
3-905 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 PACKING,PREFORMED is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-132-6533, 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
3-905 NBR
NSN: 5330-01-132-6533
FSC: 5330
CAGE: 02697 — PARKER-HANNIFIN CORP DIV O-RING DIVISION (USA)
SPECIFICATIONS
Part Number3-905 NBR
NSN5330-01-132-6533
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3-905 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
3905Interchangeable
interchangeable cross-reference
interchangeable
72-6970-960Interchangeable
interchangeable cross-reference
interchangeable
M83248/1-905Interchangeable
interchangeable cross-reference
interchangeable
924284C1Interchangeable
interchangeable cross-reference
interchangeable
220125Interchangeable
interchangeable cross-reference
interchangeable
M55302/31-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3-905 NBR?
3-905 NBR is a PACKING,PREFORMED.
What parts can replace 3-905 NBR?
There are 23 known substitutes for 3-905 NBR: 3905, 72-6970-960, M83248/1-905 and 20 more. Substitute compatibility should be verified for your specific system.
Is 3-905 NBR still available?
3-905 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