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 5905-01-113-9729
NSN 6240-01-144-1334
NSN 5996-01-026-9981
NSN 6220-00-548-1999
NSN 6130-00-895-8013
NSN 5855-01-100-3272
NSN 6150-00-979-8546
NSN 6650-00-140-2353
NSN 6620-01-004-7072
NSN 6150-01-171-7284
NSN 6240-00-594-7138
NSN 5915-01-521-4073