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 5925-00-290-4451
NSN 6150-01-139-4968
NSN 5920-01-342-2227
NSN 5965-01-459-8203
NSN 5950-01-396-4972
NSN 5965-01-180-7070
NSN 5915-01-096-8857
NSN 5935-01-350-5679
NSN 5965-01-509-9397
NSN 6240-01-618-4065
NSN 5996-00-237-5146
NSN 6620-01-438-8479