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 6650-01-417-7450
NSN 5930-01-060-9874
NSN 5920-01-378-6528
NSN 5996-01-189-9480
NSN 6135-01-285-1925
NSN 5990-00-772-9277
NSN 5910-01-465-7442
NSN 5975-01-354-9228
NSN 5950-01-510-3242
NSN 6220-01-396-0916
NSN 6110-01-154-5447
NSN 5895-00-899-0334