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Technical Data Sheet
PartsTable / O-RING / 0.748X0.030 70BN
0.748X0.030 70BN ✓ 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 0.748X0.030 70BN is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-235-6505, 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
0.748X0.030 70BN
NSN: 5331-01-235-6505
FSC: 5331 — O-RING
CAGE: 62351 — APPLE RUBBER PRODUCTS, INC. DBA APPLE RUBBER PRODUCTS INC (USA)
SPECIFICATIONS
Part Number0.748X0.030 70BN
NSN5331-01-235-6505
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 0.748X0.030 70BN 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
KEY FEATURES
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
CROSS-SECTIONAL HEIGHT: 0.030 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
CROSS-SECTIONAL HEIGHT0.030 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
1-291367Interchangeable
interchangeable cross-reference
interchangeable
A401X36Interchangeable
interchangeable cross-reference
interchangeable
S386Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0.748X0.030 70BN?
0.748X0.030 70BN is a 0.748X0.030 70BN.
What parts can replace 0.748X0.030 70BN?
There are 3 known substitutes for 0.748X0.030 70BN: 1-291367, A401X36, S386. Substitute compatibility should be verified for your specific system.
What is the NSN for 0.748X0.030 70BN?
0.748X0.030 70BN is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-235-6505. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026