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 5910-01-319-2431
NSN 5905-01-424-8803
NSN 5965-01-263-6966
NSN 5950-01-417-9264
NSN 4140-01-384-0444
NSN 6135-00-271-0407
NSN 2925-01-543-5571
NSN 5915-00-968-7515
NSN 6150-01-070-7174
NSN 6220-01-607-0748
NSN 5910-00-902-6971
NSN 5975-01-423-8507