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 5975-01-481-6824
NSN 5950-00-944-7709
NSN 6135-01-218-3660
NSN 5999-01-179-4211
NSN 6645-01-620-0044
NSN 5999-01-364-5844
NSN 6610-01-327-3187
NSN 6240-01-580-0609
NSN 6150-01-073-5819
NSN 5960-00-266-6741
NSN 5985-01-196-6144
NSN 5960-00-186-6344