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: 2.637 INCHES NOMINAL IN, center_hole_diameter: 2.349 INCHES MINIMUM AND 2.369 INCHES MAXIMUM IN, 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 5331-00-285-9769, 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
AN123989
NSN:5331-00-285-9769 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
2.637 INCHES NOMINAL IN
center_hole_diameter
2.349 INCHES MINIMUM AND 2.369 INCHES MAXIMUM IN
cross-sectional_height
0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN
5331-00-285-9769
COMPONENT DIAGRAM
KEY FEATURES
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 2.637 INCHES NOMINAL IN
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
•
CENTER HOLE DIAMETER: 2.349 INCHES MINIMUM AND 2.369 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
2.637 INCHES NOMINAL IN
HARDNESS RATING
70.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER
2.349 INCHES MINIMUM AND 2.369 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 AN123989?
AN123989 is a O-RING.
What parts can replace AN123989?
There are 2 known substitutes for AN123989: AS3569-229, SAE-AS3569. Substitute compatibility should be verified for your specific system.
What is the NSN for AN123989?
AN123989 is cataloged in the U.S. Government catalog under NSN 5331-00-285-9769. This indicates validated use in U.S. government and defense supply chains.
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