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: 2.667 INCHES MINIMUM AND 2.719 INCHES MAXIMUM IN, center_hole_diameter: 2.477 INCHES MINIMUM AND 2.497 INCHES MAXIMUM IN, elongation_percentage: 331 MAXIMUM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-763-0181, 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
A144SR310-70
NSN:5331-00-763-0181 FSC:5331 — O-RING CAGE:95272 — STILLMAN SEAL CORPORATION DIV STILLMAN SEAL CORPERATION (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
2.667 INCHES MINIMUM AND 2.719 INCHES MAXIMUM IN
center_hole_diameter
2.477 INCHES MINIMUM AND 2.497 INCHES MAXIMUM IN
elongation_percentage
331 MAXIMUM
cross-sectional_height
0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN
5331-00-763-0181
COMPONENT DIAGRAM
KEY FEATURES
•
OUTSIDE DIAMETER: 2.667 INCHES MINIMUM AND 2.719 INCHES MAXIMUM IN
•
TEMP RATING: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
•
ELONGATION PERCENTAGE: 331 MAXIMUM
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
•
CENTER HOLE DIAMETER: 2.477 INCHES MINIMUM AND 2.497 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
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FREQUENTLY ASKED QUESTIONS
What is A144SR310-70?
A144SR310-70 is a O-RING.
What parts can replace A144SR310-70?
There are 8 known substitutes for A144SR310-70: PRP568-144-457-60, 2-144 N602-70, SR-822A-60-144 and 5 more. Substitute compatibility should be verified for your specific system.
Is A144SR310-70 still available?
A144SR310-70 is currently cancelled.
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