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: 5.650 INCHES NOMINAL IN, center_hole_diameter: 5.077 INCHES MINIMUM AND 5.123 INCHES MAXIMUM IN, elongation_percentage: 160 MAXIMUM, cross-sectional_height: 0.269 INCHES MINIMUM AND 0.281 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 5331-00-418-2279, 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
MS28775-430
NSN:5331-00-418-2279 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
5.650 INCHES NOMINAL IN
center_hole_diameter
5.077 INCHES MINIMUM AND 5.123 INCHES MAXIMUM IN
elongation_percentage
160 MAXIMUM
cross-sectional_height
0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
NSN
5331-00-418-2279
COMPONENT DIAGRAM
KEY FEATURES
•
CENTER HOLE DIAMETER: 5.077 INCHES MINIMUM AND 5.123 INCHES MAXIMUM IN
•
ELONGATION PERCENTAGE: 160 MAXIMUM
•
CROSS-SECTIONAL HEIGHT: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
PERIPHERAL DIAMETER: 5.650 INCHES NOMINAL IN
•
DEPARTURE FROM CITED DOCUMENT: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
•
HARDNESS RATING: 65.0 SHORE DUROMETER A MINIMUM AND 71.0 SHORE DUROMETER A MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER
5.077 INCHES MINIMUM AND 5.123 INCHES MAXIMUM IN
ELONGATION PERCENTAGE
160 MAXIMUM
CROSS-SECTIONAL HEIGHT
0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
MATERIAL
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
PERIPHERAL DIAMETER
5.650 INCHES NOMINAL IN
DEPARTURE FROM CITED DOCUMENT
MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
HARDNESS RATING
65.0 SHORE DUROMETER A MINIMUM AND 71.0 SHORE DUROMETER A MAXIMUM
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FREQUENTLY ASKED QUESTIONS
What is MS28775-430?
MS28775-430 is a O-RING.
What parts can replace MS28775-430?
There are 8 known substitutes for MS28775-430: MS28775-430, MILP25732A, 820-4446005 ITM. 7.1.2 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS28775-430?
MS28775-430 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-418-2279. This indicates validated use in U.S. government and defense supply chains.
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