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: 2.730 INCHES MINIMUM AND 2.782 INCHES MAXIMUM IN, center_hole_diameter: 2.540 INCHES MINIMUM AND 2.560 INCHES MAXIMUM IN, elongation_percentage: 331 MAXIMUM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-482-4460, 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
7-57-043
NSN:5331-00-482-4460 FSC:5331 — O-RING CAGE:00912 — AKRON BRASS 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
2.730 INCHES MINIMUM AND 2.782 INCHES MAXIMUM IN
center_hole_diameter
2.540 INCHES MINIMUM AND 2.560 INCHES MAXIMUM IN
elongation_percentage
331 MAXIMUM
cross-sectional_height
0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN
5331-00-482-4460
COMPONENT DIAGRAM
KEY FEATURES
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 2.540 INCHES MINIMUM AND 2.560 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
OUTSIDE DIAMETER: 2.730 INCHES MINIMUM AND 2.782 INCHES MAXIMUM IN
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
•
TEMP RATING: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
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FREQUENTLY ASKED QUESTIONS
What is 7-57-043?
7-57-043 is a O-RING.
What parts can replace 7-57-043?
There are 20 known substitutes for 7-57-043: 151394, MS19081-224, 703145 and 17 more. Substitute compatibility should be verified for your specific system.
Is 7-57-043 still available?
7-57-043 is currently cancelled.
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