PartsTable
Technical Data Sheet
PartsTable / O-RING / B 2575.146.590
B 2575.146.590 ✓ 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 B 2575.146.590 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-292-4728, 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
B 2575.146.590
NSN: 5331-01-292-4728
FSC: 5331 — O-RING
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
Part NumberB 2575.146.590
NSN5331-01-292-4728
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B 2575.146.590 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
•
HARDNESS RATING: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM
•
CENTER HOLE DIAMETER: 2.778 INCHES MINIMUM AND 2.822 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
MATERIAL DOCUMENT AND CLASSIFICATION: N674-70, CAGEC 02697 MFR REF SINGLE MATERIAL RESPONSE
•
TEMP RATING: -40.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM
CENTER HOLE DIAMETER2.778 INCHES MINIMUM AND 2.822 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
MATERIAL DOCUMENT AND CLASSIFICATIONN674-70, CAGEC 02697 MFR REF SINGLE MATERIAL RESPONSE
TEMP RATING-40.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
SP100-137Interchangeable
interchangeable cross-reference
interchangeable
AS568-149Interchangeable
interchangeable cross-reference
interchangeable
AMS-R-83285Interchangeable
interchangeable cross-reference
interchangeable
AMS-R-83285GR80/AS568-149Interchangeable
interchangeable cross-reference
interchangeable
2-149-N674-70Interchangeable
Same NIIN cross-reference
interchangeable
D3113452AInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B 2575.146.590?
B 2575.146.590 is a B 2575.146.590.
What parts can replace B 2575.146.590?
There are 11 known substitutes for B 2575.146.590: SP100-137, AS568-149, AMS-R-83285 and 8 more. Substitute compatibility should be verified for your specific system.
Is B 2575.146.590 still available?
B 2575.146.590 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