Home  >  BACKUP RINGS  >  8 - CONTOURED N90 NITRILE O-RING BACKUP - INCH  > ID-21 Nominal CS-3/16" 90D NBR Contoured Back Up Inch

ID-21 Nominal CS-3/16" 90D NBR Contoured Back Up Inch

Item #:8-390 N90 
Available: 17.00
Molded from a high modulus 90 durometer nitrile material, these contoured backup rings can be easily stretched for installation. The contoured design allows the ring to mate with the O-ring. Dash sizes are equivalent to AS568A O-ring sizes. For metric sizes see MBH type backups.

25.08
Each
Quantity:
Quantity Price
1 25.08
Hydraulic SealAlternative Seals: 19-, 51-, MS28774, MS27595, MS28782, MS28783

ID-21 CS-3/16
SPEC SHEET

An O-ring is a mechanical gasket in the shape of a torus or donut; it is a loop of elastomer or other material with a round cross-section, designed to be seated in a groove and compressed during assembly between two or more parts, creating a seal at the interface.
Item #:
2-390 N70
14.75
Each

An O-ring is a mechanical gasket in the shape of a torus or donut; it is a loop of elastomer or other material with a round cross-section, designed to be seated in a groove and compressed during assembly between two or more parts, creating a seal at the interface.
Item #:
2-390 N90
42.12
Each

An O-ring is a mechanical gasket in the shape of a torus or donut; it is a loop of elastomer or other material with a round cross-section, designed to be seated in a groove and compressed during assembly between two or more parts, creating a seal at the interface.
Item #:
2-390 V75BR
118.37
Each
8-390 N90
ID-21 Nominal CS-3/16" 90D NBR Contoured Back Up Inch
25.08
Each
17.00
Quantity: