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 5920-01-360-2305
NSN 5905-01-401-5325
NSN 6135-01-260-7180
NSN 5925-01-483-3361
NSN 5960-01-567-1096
NSN 5945-01-009-0156
NSN 5990-01-411-5930
NSN 2925-01-656-8217
NSN 5960-00-104-5955
NSN 2925-00-640-8611
NSN 5910-01-403-2812
NSN 5895-01-129-0118