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 6145-01-628-0399
NSN 5910-01-135-5512
NSN 5990-00-733-9262
NSN 6645-01-648-2115
NSN 5960-00-091-8729
NSN 6620-01-004-7072
NSN 5996-01-239-4120
NSN 5915-01-202-4884
NSN 5895-01-012-0930
NSN 6320-01-582-6752
NSN 4140-00-915-6125
NSN 6220-00-495-1203