Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW
The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, temp_rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF, outside_diameter: 8.704 INCHES MINIMUM AND 8.820 INCHES MAXIMUM IN, center_hole_diameter: 8.454 INCHES MINIMUM AND 8.514 INCHES MAXIMUM IN, elongation_percentage: 160 MAXIMUM, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-105-7263, 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
MS28775-208
NSN:5331-01-105-7263 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
temp_rating
-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
outside_diameter
8.704 INCHES MINIMUM AND 8.820 INCHES MAXIMUM IN
center_hole_diameter
8.454 INCHES MINIMUM AND 8.514 INCHES MAXIMUM IN
elongation_percentage
160 MAXIMUM
cross-sectional_height
0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN
5331-01-105-7263
COMPONENT DIAGRAM
KEY FEATURES
•
TEMP RATING: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
•
ELONGATION PERCENTAGE: 160 MAXIMUM
•
CENTER HOLE DIAMETER: 0.604 INCHES MINIMUM AND 0.614 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.887 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
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FREQUENTLY ASKED QUESTIONS
What is MS28775-208?
MS28775-208 is a O-RING.
What parts can replace MS28775-208?
There are 6 known substitutes for MS28775-208: AS28775-208, A49370MZZ, 5331PL0890481 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS28775-208?
MS28775-208 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-105-7263. This indicates validated use in U.S. government and defense supply chains.
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