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 6145-00-880-8720
NSN 5998-01-435-0561
NSN 5925-01-046-0089
NSN 6645-01-025-1002
NSN 5855-01-383-6860
NSN 6650-01-339-7030
NSN 5996-00-450-3136
NSN 6150-00-977-7675
NSN 6645-00-418-2133
NSN 6110-01-025-1286
NSN 5910-01-367-9839
NSN 6610-01-238-8712