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 2925-01-550-0177
NSN 5965-01-376-1012
NSN 6110-01-576-1531
NSN 6645-01-519-2220
NSN 5905-01-410-7320
NSN 6240-00-406-0021
NSN 5960-01-599-9821
NSN 5945-01-634-0588
NSN 5930-00-120-2554
NSN 5985-01-143-1105
NSN 5998-01-514-7970
NSN 5930-01-060-9874