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 5975-00-817-4476
NSN 6150-01-619-1676
NSN 6620-01-154-9651
NSN 5855-01-588-6065
NSN 6220-01-292-0980
NSN 6240-01-031-7955
NSN 5920-00-263-2192
NSN 6645-01-247-4549
NSN 6135-00-377-9165
NSN 2925-00-749-8893
NSN 4140-01-585-6980
NSN 5960-00-157-4062