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 5996-00-894-0843
NSN 6220-00-226-1994
NSN 5930-00-773-6452
NSN 5910-01-592-9406
NSN 6620-00-175-0663
NSN 4140-00-116-1022
NSN 5895-00-009-8975
NSN 6645-01-463-3441
NSN 6685-01-313-4499
NSN 6620-01-641-1461
NSN 6110-00-239-6337
NSN 5915-01-418-0265