The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, center_hole_diameter: 1.228 INCHES MINIMUM AND 1.240 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 5331-00-832-1556, 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
A21738-2
NSN:5331-00-832-1556 FSC:5331 — O-ring CAGE:13841 — TIFFIN PARTS, L.L.C. DIV SUBSIDIARY OF PETTIBONE CORP. (USA)
SPECIFICATIONS
material
RUBBER SYNTHETIC
center_hole_diameter
1.228 INCHES MINIMUM AND 1.240 INCHES MAXIMUM IN
cross-sectional_height
0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN
5331-00-832-1556
COMPONENT DIAGRAM
KEY FEATURES
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 1.228 INCHES MINIMUM AND 1.240 INCHES MAXIMUM IN
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FREQUENTLY ASKED QUESTIONS
What is A21738-2?
A21738-2 is a O-RING.
What parts can replace A21738-2?
There is 1 known substitute for A21738-2: 72723. Substitute compatibility should be verified for your specific system.
What is the NSN for A21738-2?
A21738-2 is cataloged in the U.S. Government catalog under NSN 5331-00-832-1556. This indicates validated use in U.S. government and defense supply chains.
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