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 5965-01-037-2277
NSN 5895-00-116-1017
NSN 5990-00-559-1822
NSN 5975-01-147-4456
NSN 6240-01-361-9167
NSN 6620-01-103-3556
NSN 5855-00-494-9581
NSN 6135-01-554-4281
NSN 6620-00-343-8229
NSN 5985-01-162-9451
NSN 5960-01-567-1096
NSN 5915-01-185-2897