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 SILICONE CLASS Q, temp_rating: -85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, outside_diameter: 5.137 INCHES NOMINAL IN, center_hole_diameter: 4.844 INCHES MINIMUM AND 4.874 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-223-1073, 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
MS9068-249
NSN:5331-00-223-1073 FSC:5331 — O-RING CAGE:96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
material
RUBBER SILICONE CLASS Q
temp_rating
-85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF
hardness_rating
70.0 SHORE DUROMETER A NOMINAL
outside_diameter
5.137 INCHES NOMINAL IN
center_hole_diameter
4.844 INCHES MINIMUM AND 4.874 INCHES MAXIMUM IN
elongation_percentage
125 MAXIMUM
cross-sectional_height
0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN
5331-00-223-1073
COMPONENT DIAGRAM
KEY FEATURES
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
CENTER HOLE DIAMETER: 4.844 INCHES MINIMUM AND 4.874 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 5.137 INCHES NOMINAL IN
•
MATERIAL: RUBBER SILICONE CLASS Q
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
•
TEMP RATING: -85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF
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FREQUENTLY ASKED QUESTIONS
What is MS9068-249?
MS9068-249 is a O-RING.
What parts can replace MS9068-249?
There are 25 known substitutes for MS9068-249: AS568-902, TR-RG30, AS568-902AMS3304 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS9068-249?
MS9068-249 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-223-1073. This indicates validated use in U.S. government and defense supply chains.
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