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 5998-00-222-7755
NSN 5920-00-204-8125
NSN 7035-01-578-4018
NSN 5920-01-279-9137
NSN 6110-00-983-5927
NSN 5996-00-011-5651
NSN 5975-00-295-3586
NSN 5835-01-301-0022
NSN 5999-00-957-0204
NSN 6145-01-608-2904
NSN 6620-01-515-6269
NSN 6130-01-552-2496