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 5990-00-234-0119
NSN 5996-00-126-6139
NSN 5960-01-258-5615
NSN 5975-01-458-7698
NSN 2925-01-118-6125
NSN 5930-01-387-7754
NSN 5965-00-400-6228
NSN 6620-01-147-5615
NSN 5990-01-349-8132
NSN 6130-01-411-9914
NSN 5930-01-325-4161
NSN 6620-00-506-0112