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 5990-00-223-3258
NSN 5960-01-284-4118
NSN 6650-01-028-1304
NSN 5945-00-270-4785
NSN 2925-01-273-4898
NSN 6645-00-733-9341
NSN 5998-01-438-9179
NSN 5985-01-243-5306
NSN 5895-01-272-6354
NSN 6135-00-203-9645
NSN 5990-01-443-2931
NSN 5975-00-142-2450