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 5855-01-190-7049
NSN 5998-00-659-3728
NSN 5960-01-560-8461
NSN 5920-00-094-0655
NSN 5835-01-647-6426
NSN 2925-01-437-1128
NSN 5925-01-037-1629
NSN 5950-01-605-1386
NSN 5998-01-050-7257
NSN 5975-00-959-8304
NSN 5965-01-434-4095
NSN 5855-01-508-6917