The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE CLASS Q, temp_rating: -85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF, hardness_rating: 50.0 SHORE DUROMETER A NOMINAL, outside_diameter: 4.943 INCHES NOMINAL IN, center_hole_diameter: 4.712 INCHES MINIMUM AND 4.742 INCHES MAXIMUM IN, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5331-01-047-0436, 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
20A11BM158
NSN:5331-01-047-0436 FSC:5331 — O-ring CAGE:830Q4 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS-WRIGHT STEAM AND AIR SOLUTIONS DIV STEAM AND AIR SOLUTIONS (USA)
SPECIFICATIONS
material
RUBBER SILICONE CLASS Q
temp_rating
-85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF
hardness_rating
50.0 SHORE DUROMETER A NOMINAL
outside_diameter
4.943 INCHES NOMINAL IN
center_hole_diameter
4.712 INCHES MINIMUM AND 4.742 INCHES MAXIMUM IN
cross-sectional_height
0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN
5331-01-047-0436
COMPONENT DIAGRAM
KEY FEATURES
•
TEMP RATING: -85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 4.943 INCHES NOMINAL IN
•
HARDNESS RATING: 50.0 SHORE DUROMETER A NOMINAL
•
CENTER HOLE DIAMETER: 4.712 INCHES MINIMUM AND 4.742 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SILICONE CLASS Q
TECHNICAL CHARACTERISTICS
TEMP RATING
-85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT
0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
OUTSIDE DIAMETER
4.943 INCHES NOMINAL IN
HARDNESS RATING
50.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER
4.712 INCHES MINIMUM AND 4.742 INCHES MAXIMUM IN
MATERIAL
RUBBER SILICONE CLASS Q
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 20A11BM158?
20A11BM158 is a O-RING.
What parts can replace 20A11BM158?
There is 1 known substitute for 20A11BM158: AS568-158AMS3303. Substitute compatibility should be verified for your specific system.
What is the NSN for 20A11BM158?
20A11BM158 is cataloged in the U.S. Government catalog under NSN 5331-01-047-0436. This indicates validated use in U.S. government and defense supply chains.
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