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 6105-01-027-4793
NSN 6320-01-352-8084
NSN 6240-01-383-7448
NSN 5999-01-295-8115
NSN 5985-00-203-1200
NSN 5895-00-900-5449
NSN 6320-01-618-7800
NSN 6685-01-242-6695
NSN 5855-00-198-3197
NSN 5895-01-647-7202
NSN 5950-01-244-3550
NSN 5975-01-372-5622