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 6240-01-143-8976
NSN 7035-01-519-9270
NSN 6610-00-899-1751
NSN 5925-00-917-0546
NSN 6620-01-383-1997
NSN 5945-00-250-0722
NSN 5895-01-499-5846
NSN 5998-00-430-0366
NSN 5925-01-499-5976
NSN 6135-01-136-1059
NSN 5930-01-188-7378
NSN 5985-00-681-3586