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: PLASTIC POLYTETRAFLUOROETHYLENE, temp_rating: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF, hardness_rating: 90.0 SHORE DUROMETER A NOMINAL, outside_diameter: 0.429 INCHES NOMINAL IN, center_hole_diameter: 0.296 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN, elongation_percentage: 80 MAXIMUM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-835-7485, 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
MS28778-3
NSN:5331-00-835-7485 FSC:5331 — O-RING CAGE:A0126 — LEONARDO SPA HELICOPTERS DIVISION - PRODUCTION SITE (ITA)
SPECIFICATIONS
material
PLASTIC POLYTETRAFLUOROETHYLENE
temp_rating
-65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
hardness_rating
90.0 SHORE DUROMETER A NOMINAL
outside_diameter
0.429 INCHES NOMINAL IN
center_hole_diameter
0.296 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN
elongation_percentage
80 MAXIMUM
cross-sectional_height
0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
NSN
5331-00-835-7485
COMPONENT DIAGRAM
KEY FEATURES
•
HARDNESS RATING: 90.0 SHORE DUROMETER A NOMINAL
•
CENTER HOLE DIAMETER: 0.296 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.418 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR