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 6145-01-336-7258
NSN 5960-00-594-0824
NSN 6220-01-031-6919
NSN 6135-00-162-2437
NSN 6130-00-937-9625
NSN 5925-00-936-8096
NSN 6110-01-374-5815
NSN 6620-00-106-9658
NSN 5920-01-167-0810
NSN 5975-00-054-7304
NSN 6650-01-158-6888
NSN 6220-01-487-3904