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 5925-01-206-4330
NSN 6645-01-633-1852
NSN 6110-01-384-3259
NSN 6135-00-284-1406
NSN 6610-01-376-3993
NSN 6610-01-400-3880
NSN 5950-00-883-0552
NSN 6645-01-329-8151
NSN 5930-01-500-1326
NSN 5930-01-625-6597
NSN 6130-00-840-4666
NSN 5855-01-421-7691