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 5990-01-432-4984
NSN 5895-00-969-6137
NSN 6645-01-430-2420
NSN 6145-00-719-7395
NSN 5996-00-797-9571
NSN 6320-01-335-8336
NSN 5985-00-060-4825
NSN 6610-01-184-8950
NSN 6135-00-377-9165
NSN 5975-01-053-5303
NSN 6220-01-026-7260
NSN 5895-01-394-8428