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 5945-01-180-0912
NSN 6220-01-423-1476
NSN 5925-01-240-8035
NSN 6645-01-304-4308
NSN 5930-00-595-8943
NSN 5998-01-138-9843
NSN 6650-01-168-1659
NSN 6135-01-514-0356
NSN 6110-00-946-1060
NSN 6650-01-562-0075
NSN 6645-01-512-2260
NSN 5985-01-514-9811