The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, hardness_rating: 60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM, outside_diameter: 1.239 INCHES MINIMUM AND 1.271 INCHES MAXIMUM IN, center_hole_diameter: 1.043 INCHES MINIMUM AND 1.055 INCHES MAXIMUM IN, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN, material_document_and_classification: AMS-7271 ASSN STD SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.
Government catalog under NSN 5331-00-576-4974, 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
MS9021-121
NSN:5331-00-576-4974 FSC:5331 — O-ring CAGE:96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
material
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
hardness_rating
60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM
outside_diameter
1.239 INCHES MINIMUM AND 1.271 INCHES MAXIMUM IN
center_hole_diameter
1.043 INCHES MINIMUM AND 1.055 INCHES MAXIMUM IN
cross-sectional_height
0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
material_document_and_classification
AMS-7271 ASSN STD SINGLE MATERIAL RESPONSE
NSN
5331-00-576-4974
COMPONENT DIAGRAM
KEY FEATURES
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 1.239 INCHES MINIMUM AND 1.271 INCHES MAXIMUM IN
•
HARDNESS RATING: 60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS-7271 ASSN STD SINGLE MATERIAL RESPONSE
•
CENTER HOLE DIAMETER: 1.043 INCHES MINIMUM AND 1.055 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT
0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
OUTSIDE DIAMETER
1.239 INCHES MINIMUM AND 1.271 INCHES MAXIMUM IN
HARDNESS RATING
60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM
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FREQUENTLY ASKED QUESTIONS
What is MS9021-121?
MS9021-121 is a O-RING.
What parts can replace MS9021-121?
There are 6 known substitutes for MS9021-121: AS3578-121, 182385, 2-121 N506-65 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS9021-121?
MS9021-121 is cataloged in the U.S. Government catalog under NSN 5331-00-576-4974. This indicates validated use in U.S. government and defense supply chains.
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