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 SYNTHETIC, temp_rating: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF, hardness_rating: 90.0 SHORE DUROMETER A NOMINAL, peripheral_diameter: 0.558 INCHES NOMINAL IN, center_hole_diameter: 0.409 INCHES MINIMUM AND 0.419 INCHES MAXIMUM IN, elongation_percentage: 80 MAXIMUM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-833-7491, 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
MS28778-5
NSN:5331-00-833-7491 FSC:5331 — O-RING CAGE:96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
material
RUBBER SYNTHETIC
temp_rating
-65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
hardness_rating
90.0 SHORE DUROMETER A NOMINAL
peripheral_diameter
0.558 INCHES NOMINAL IN
center_hole_diameter
0.409 INCHES MINIMUM AND 0.419 INCHES MAXIMUM IN
elongation_percentage
80 MAXIMUM
cross-sectional_height
0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
departure_from_cited_document
MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
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FREQUENTLY ASKED QUESTIONS
What is MS28778-5?
MS28778-5 is a O-RING.
What parts can replace MS28778-5?
There are 32 known substitutes for MS28778-5: 82009, 1-4GR100STN440, 1-4STAINLESSSTEELBALLGRADE1 and 29 more. Substitute compatibility should be verified for your specific system.
Is MS28778-5 still available?
MS28778-5 is currently cancelled.
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