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 5930-00-163-1078
NSN 5975-00-967-8359
NSN 5855-01-047-9267
NSN 6135-00-542-6216
NSN 5996-01-512-2040
NSN 6110-01-135-7908
NSN 6220-00-379-4044
NSN 6685-01-206-2681
NSN 6145-00-278-0697
NSN 6130-00-020-9289
NSN 5835-01-157-5886
NSN 6685-00-184-3894