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 6150-01-204-0040
NSN 5996-00-100-1238
NSN 5905-01-473-5963
NSN 5895-00-705-5876
NSN 7035-00-349-8571
NSN 5998-01-648-2656
NSN 5945-01-060-9058
NSN 5925-01-537-1140
NSN 6240-01-309-0049
NSN 5910-01-420-5794
NSN 6240-01-624-1777
NSN 5855-01-417-3250