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 6110-01-124-1546
NSN 6320-01-489-6044
NSN 5975-00-621-9604
NSN 6135-01-204-8712
NSN 7035-01-042-0527
NSN 2925-01-532-8445
NSN 6150-01-327-8087
NSN 5996-01-383-3271
NSN 2925-00-991-9223
NSN 5935-01-267-3801
NSN 5960-01-411-5217
NSN 5975-01-341-1923