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 5996-01-286-8076
NSN 4140-01-529-6811
NSN 6610-00-100-1195
NSN 6610-01-151-1540
NSN 6135-01-584-0941
NSN 6150-01-400-4211
NSN 5950-00-339-4279
NSN 4140-01-193-1566
NSN 6150-01-333-4054
NSN 6130-01-131-1440
NSN 5960-01-048-8228
NSN 5920-01-287-5693