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, outside_diameter: 1.461 INCHES MINIMUM AND 1.489 INCHES MAXIMUM IN, center_hole_diameter: 1.25 INCHES NOMINAL IN, cross-sectional_height: 0.003 INCHES MINIMUM AND 0.005 INCHES MAXIMUM IN, end_item_identification: VALVE, ANGLE RELIEF, part_name_assigned_by_controlling_agency: O-RING, OUTSIDE RETAINER. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-165-1977, 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
AS568-920
NSN:5331-00-165-1977 FSC:5331 — O-RING CAGE:0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
material
RUBBER FLUOROCARBON CLASS FPM
outside_diameter
1.461 INCHES MINIMUM AND 1.489 INCHES MAXIMUM IN
center_hole_diameter
1.25 INCHES NOMINAL IN
cross-sectional_height
0.003 INCHES MINIMUM AND 0.005 INCHES MAXIMUM IN
end_item_identification
VALVE, ANGLE RELIEF
part_name_assigned_by_controlling_agency
O-RING, OUTSIDE RETAINER
NSN
5331-00-165-1977
COMPONENT DIAGRAM
KEY FEATURES
•
CENTER HOLE DIAMETER: 1.461 INCHES MINIMUM AND 1.489 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 1.689 INCHES MINIMUM AND 1.733 INCHES MAXIMUM IN
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
TEMP RATING: -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.114 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
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FREQUENTLY ASKED QUESTIONS
What is AS568-920?
AS568-920 is a O-RING.
What parts can replace AS568-920?
There are 22 known substitutes for AS568-920: 878920, HPT0151, 3-920 and 19 more. Substitute compatibility should be verified for your specific system.
Is AS568-920 still available?
AS568-920 is currently cancelled.
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