A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 5915-01-406-3165
NSN 5985-01-337-6475
NSN 5985-00-722-3126
NSN 6105-01-230-7024
NSN 5985-01-496-8700
NSN 6620-01-207-0667
NSN 5855-01-423-7473
NSN 6135-01-333-2540
NSN 6620-00-103-6610
NSN 6620-01-289-8486
NSN 5915-01-244-9394
NSN 6130-01-535-0281