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 5985-01-483-7291
NSN 5920-01-619-6734
NSN 5895-01-483-1436
NSN 6145-00-952-1815
NSN 7035-00-763-6180
NSN 5910-00-955-2325
NSN 6135-01-026-9960
NSN 5999-00-023-5198
NSN 6320-01-521-1764
NSN 6110-01-240-5024
NSN 6240-00-933-4188
NSN 6645-00-051-6673