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Technical Data Sheet
PartsTable / O-RING / 3189-1 REV B PC NO.23
3189-1 REV B PC NO.23 ✓ 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 3189-1 REV B PC NO.23 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 5331-01-162-4705, 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
3189-1 REV B PC NO.23
NSN: 5331-01-162-4705
FSC: 5331 — O-RING
CAGE: 10741 — CARLISLE & FINCH CO (USA)
SPECIFICATIONS
Part Number3189-1 REV B PC NO.23
NSN5331-01-162-4705
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3189-1 REV B PC NO.23 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
•
OUTSIDE DIAMETER: 3.520 INCHES NOMINAL IN
•
TEMP RATING: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
•
CENTER HOLE DIAMETER: 3.076 INCHES MINIMUM AND 3.124 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
OUTSIDE DIAMETER3.520 INCHES NOMINAL IN
TEMP RATING-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
CENTER HOLE DIAMETER3.076 INCHES MINIMUM AND 3.124 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
54A125-338Interchangeable
interchangeable cross-reference
interchangeable
6227-41Interchangeable
interchangeable cross-reference
interchangeable
N230-7-2-338Interchangeable
interchangeable cross-reference
interchangeable
SK46969PC16-3Interchangeable
interchangeable cross-reference
interchangeable
3600-254REVAPCAN6227-41Interchangeable
interchangeable cross-reference
interchangeable
575-4801-1443691REVAPC27Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3189-1 REV B PC NO.23?
3189-1 REV B PC NO.23 is a 3189-1 REV B PC NO.23.
What parts can replace 3189-1 REV B PC NO.23?
There are 14 known substitutes for 3189-1 REV B PC NO.23: 54A125-338, 6227-41, N230-7-2-338 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3189-1 REV B PC NO.23?
3189-1 REV B PC NO.23 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-162-4705. 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