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 5920-00-826-0949
NSN 6135-01-388-2761
NSN 5910-00-610-5758
NSN 5915-00-075-7318
NSN 5855-01-288-6341
NSN 5996-01-274-8931
NSN 5975-01-415-5771
NSN 5935-01-108-3823
NSN 5905-01-485-3327
NSN 5960-01-509-8779
NSN 5905-01-350-7317
NSN 5996-01-561-8910