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 ETHYLENE-PROPYLENE CLASS EPM, temp_rating: -70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF, hardness_rating: 80.0 SHORE DUROMETER A NOMINAL, outside_diameter: 2.734 INCHES MINIMUM AND 2.790 INCHES MAXIMUM IN, center_hole_diameter: 2.474 INCHES MINIMUM AND 2.494 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-435-8496, 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
A-230SR721-80
NSN:5331-00-435-8496 FSC:5331 — O-RING CAGE:95272 — STILLMAN SEAL CORPORATION DIV STILLMAN SEAL CORPERATION (USA)
SPECIFICATIONS
material
RUBBER ETHYLENE-PROPYLENE CLASS EPM
temp_rating
-70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
hardness_rating
80.0 SHORE DUROMETER A NOMINAL
outside_diameter
2.734 INCHES MINIMUM AND 2.790 INCHES MAXIMUM IN
center_hole_diameter
2.474 INCHES MINIMUM AND 2.494 INCHES MAXIMUM IN
cross-sectional_height
0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN
5331-00-435-8496
COMPONENT DIAGRAM
KEY FEATURES
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
TEMP RATING: -70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
•
OUTSIDE DIAMETER: 2.734 INCHES MINIMUM AND 2.790 INCHES MAXIMUM IN
•
MATERIAL: RUBBER ETHYLENE-PROPYLENE CLASS EPM
•
CENTER HOLE DIAMETER: 2.474 INCHES MINIMUM AND 2.494 INCHES MAXIMUM IN
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FREQUENTLY ASKED QUESTIONS
What is A-230SR721-80?
A-230SR721-80 is a O-RING.
What parts can replace A-230SR721-80?
There are 21 known substitutes for A-230SR721-80: AS568B-230, 1H5728, C1124 2-230 and 18 more. Substitute compatibility should be verified for your specific system.
Is A-230SR721-80 still available?
A-230SR721-80 is currently cancelled.
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