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 FLUOROCARBON CLASS FPM, center_hole_diameter: 4.711 INCHES MINIMUM AND 5.757 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN, material_document_and_classification: AMS7279 ASSN STD SINGLE MATERIAL RESPONSE. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-377-8615, 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
MS9970-256
NSN:5331-01-377-8615 FSC:5331 — O-RING CAGE:96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
material
RUBBER FLUOROCARBON CLASS FPM
center_hole_diameter
4.711 INCHES MINIMUM AND 5.757 INCHES MAXIMUM IN
cross-sectional_height
0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
material_document_and_classification
AMS7279 ASSN STD SINGLE MATERIAL RESPONSE
NSN
5331-01-377-8615
COMPONENT DIAGRAM
KEY FEATURES
•
CENTER HOLE DIAMETER: 4.711 INCHES MINIMUM AND 5.757 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS7279 ASSN STD SINGLE MATERIAL RESPONSE
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
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FREQUENTLY ASKED QUESTIONS
What is MS9970-256?
MS9970-256 is a O-RING.
What parts can replace MS9970-256?
There are 3 known substitutes for MS9970-256: AS568-256, 611980-4, M83248/2-256. Substitute compatibility should be verified for your specific system.
What is the NSN for MS9970-256?
MS9970-256 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-377-8615. This indicates validated use in U.S. government and defense supply chains.
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