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 6645-00-292-5053
NSN 5835-01-209-6410
NSN 5960-00-584-4553
NSN 5920-01-185-2019
NSN 5998-00-964-1175
NSN 6620-00-575-9230
NSN 5920-00-164-1147
NSN 6320-01-527-0211
NSN 5855-01-085-5354
NSN 6110-01-527-8982
NSN 6150-01-177-8649
NSN 4140-00-127-5311