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 5996-01-379-4943
NSN 5996-01-132-9996
NSN 5950-00-771-3824
NSN 5910-01-467-2404
NSN 5855-00-832-9341
NSN 5965-01-003-2641
NSN 5985-01-371-3067
NSN 5910-01-025-1247
NSN 5975-01-300-3139
NSN 5975-01-512-9432
NSN 5920-01-386-7566
NSN 5895-01-153-2249