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 5935-01-514-5729
NSN 6240-01-009-0363
NSN 5895-01-257-4651
NSN 6620-01-280-9478
NSN 5910-00-206-0440
NSN 5915-01-297-0722
NSN 5935-00-234-9889
NSN 5855-00-941-6412
NSN 5905-01-381-9460
NSN 5996-00-159-1056
NSN 6650-01-285-5856
NSN 5945-01-132-2211