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 500.0 FAHRENHEIT DEGF, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL, outside_diameter: 3.379 INCHES NOMINAL IN, center_hole_diameter: 3.224 INCHES MINIMUM AND 3.254 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-127-7444, 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
MS9386-042
NSN:5331-00-127-7444 FSC:5331 — O-RING CAGE:0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
material
RUBBER SILICONE CLASS Q
temp_rating
-85.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF
hardness_rating
75.0 SHORE DUROMETER A NOMINAL
outside_diameter
3.379 INCHES NOMINAL IN
center_hole_diameter
3.224 INCHES MINIMUM AND 3.254 INCHES MAXIMUM IN
elongation_percentage
125 MAXIMUM
cross-sectional_height
0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
NSN
5331-00-127-7444
COMPONENT DIAGRAM
KEY FEATURES
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
MATERIAL: RUBBER SILICONE CLASS Q
•
TEMP RATING: -85.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF
•
CENTER HOLE DIAMETER: 3.224 INCHES MINIMUM AND 3.254 INCHES MAXIMUM IN
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FREQUENTLY ASKED QUESTIONS
What is MS9386-042?
MS9386-042 is a O-RING.
What parts can replace MS9386-042?
There are 8 known substitutes for MS9386-042: MS9386-227, AMS7267, AS568-282 and 5 more. Substitute compatibility should be verified for your specific system.
Is MS9386-042 still available?
MS9386-042 is currently cancelled.
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