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 5985-01-356-2615
NSN 5915-01-206-1208
NSN 6645-01-199-7553
NSN 5915-01-590-0338
NSN 6645-01-162-4509
NSN 6135-01-370-2599
NSN 6650-01-648-1864
NSN 6320-00-578-6898
NSN 5975-00-393-2097
NSN 6220-00-257-5183
NSN 6135-00-168-9352
NSN 5855-00-058-1293