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: 12.189 INCHES MINIMUM AND 12.335 INCHES MAXIMUM IN, center_hole_diameter: 11.919 INCHES MINIMUM AND 12.049 INCHES MAXIMUM IN, elongation_percentage: 331 MAXIMUM. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-476-7498, 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
CM1-278-B46A
NSN:5331-00-476-7498 FSC:5331 — O-RING CAGE:52374 — FLOWSERVE CORP DBA AUTOMAX ACTUATORS DIV FLOWSERVE US COMPANY (USA)
SPECIFICATIONS
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
12.189 INCHES MINIMUM AND 12.335 INCHES MAXIMUM IN
center_hole_diameter
11.919 INCHES MINIMUM AND 12.049 INCHES MAXIMUM IN
elongation_percentage
331 MAXIMUM
cross-sectional_height
0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN
5331-00-476-7498
COMPONENT DIAGRAM
KEY FEATURES
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
CENTER HOLE DIAMETER: 11.919 INCHES MINIMUM AND 12.049 INCHES MAXIMUM IN
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
•
TEMP RATING: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 12.189 INCHES MINIMUM AND 12.335 INCHES MAXIMUM IN
•
ELONGATION PERCENTAGE: 331 MAXIMUM
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
CENTER HOLE DIAMETER
11.919 INCHES MINIMUM AND 12.049 INCHES MAXIMUM IN
HARDNESS RATING
70.0 SHORE DUROMETER A NOMINAL
TEMP RATING
-30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT
0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
OUTSIDE DIAMETER
12.189 INCHES MINIMUM AND 12.335 INCHES MAXIMUM IN
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FREQUENTLY ASKED QUESTIONS
What is CM1-278-B46A?
CM1-278-B46A is a O-RING.
What parts can replace CM1-278-B46A?
There are 20 known substitutes for CM1-278-B46A: 179837, 2X33, S56-06 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CM1-278-B46A?
CM1-278-B46A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-476-7498. This indicates validated use in U.S. government and defense supply chains.
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