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Technical Data Sheet
2-125N674 ✓ 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. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, temp_rating: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, outside_diameter: 1.487 INCHES MINIMUM AND 1.523 INCHES MAXIMUM IN, center_hole_diameter: 1.299 INCHES NOMINAL IN, elongation_percentage: 331 MAXIMUM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-444-0850, 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
2-125N674
NSN: 5331-00-444-0850
FSC: 5331 — O-RING
CAGE: 63600 — CURTISS-WRIGHT FLOW CONTROL CORPORATION DBA CURTISS-WRIGHT FLOW CONTROL CO DIV CURTISS-WRIGHT / NU-TORQUE (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating-30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
hardness_rating70.0 SHORE DUROMETER A NOMINAL
outside_diameter1.487 INCHES MINIMUM AND 1.523 INCHES MAXIMUM IN
center_hole_diameter1.299 INCHES NOMINAL IN
elongation_percentage331 MAXIMUM
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN5331-00-444-0850
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2-125N674 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
CENTER HOLE DIAMETER: 1.299 INCHES NOMINAL IN
OUTSIDE DIAMETER: 1.487 INCHES MINIMUM AND 1.523 INCHES MAXIMUM IN
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
TEMP RATING: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
ELONGATION PERCENTAGE: 331 MAXIMUM
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER1.299 INCHES NOMINAL IN
OUTSIDE DIAMETER1.487 INCHES MINIMUM AND 1.523 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
TEMP RATING-30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
ELONGATION PERCENTAGE331 MAXIMUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
RWS-568-125Interchangeable
interchangeable cross-reference
interchangeable
NAS1398B4A3Interchangeable
interchangeable cross-reference
interchangeable
10123394Interchangeable
interchangeable cross-reference
interchangeable
511-0025Interchangeable
interchangeable cross-reference
interchangeable
650145Interchangeable
interchangeable cross-reference
interchangeable
511P25Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2-125N674?
2-125N674 is a O-RING.
What parts can replace 2-125N674?
There are 23 known substitutes for 2-125N674: RWS-568-125, NAS1398B4A3, 10123394 and 20 more. Substitute compatibility should be verified for your specific system.
Is 2-125N674 still available?
2-125N674 is currently cancelled.
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