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 6610-01-267-9881
NSN 5960-00-548-1892
NSN 6645-01-159-1489
NSN 5975-01-320-0712
NSN 5975-01-184-0636
NSN 5920-01-357-3370
NSN 5975-01-308-8872
NSN 5920-01-648-8343
NSN 6620-00-371-7109
NSN 4140-00-466-9268
NSN 6620-01-504-1827
NSN 6220-01-356-7950