The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, outside_diameter: 9.512 INCHES NOMINAL IN, center_hole_diameter: 9.204 INCHES MINIMUM AND 9.264 INCHES MAXIMUM IN, elongation_percentage: 150 MAXIMUM, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5331-00-290-9393, 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
AN123931
NSN:5331-00-290-9393 FSC:5331 — O-ring CAGE:88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
material
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
hardness_rating
70.0 SHORE DUROMETER A NOMINAL
outside_diameter
9.512 INCHES NOMINAL IN
center_hole_diameter
9.204 INCHES MINIMUM AND 9.264 INCHES MAXIMUM IN
elongation_percentage
150 MAXIMUM
cross-sectional_height
0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN
5331-00-290-9393
COMPONENT DIAGRAM
KEY FEATURES
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 9.512 INCHES NOMINAL IN
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
•
ELONGATION PERCENTAGE: 150 MAXIMUM
•
CENTER HOLE DIAMETER: 9.204 INCHES MINIMUM AND 9.264 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT
0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
OUTSIDE DIAMETER
9.512 INCHES NOMINAL IN
HARDNESS RATING
70.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE
150 MAXIMUM
CENTER HOLE DIAMETER
9.204 INCHES MINIMUM AND 9.264 INCHES MAXIMUM IN
MATERIAL
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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FREQUENTLY ASKED QUESTIONS
What is AN123931?
AN123931 is a O-RING.
What parts can replace AN123931?
There are 2 known substitutes for AN123931: AS3570-271, SAE-AS3570. Substitute compatibility should be verified for your specific system.
What is the NSN for AN123931?
AN123931 is cataloged in the U.S. Government catalog under NSN 5331-00-290-9393. This indicates validated use in U.S. government and defense supply chains.
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