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 6110-01-579-9410
NSN 6220-00-172-0146
NSN 5965-00-925-1725
NSN 4140-01-471-7193
NSN 5835-01-424-0054
NSN 5855-00-832-9341
NSN 2925-01-595-9720
NSN 6220-00-015-4231
NSN 6320-01-592-6248
NSN 5990-01-612-5323
NSN 5960-01-365-8752
NSN 5920-01-355-5695