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 6240-01-050-9156
NSN 5975-01-227-1809
NSN 5855-01-462-5150
NSN 5945-01-050-6408
NSN 5915-00-430-7543
NSN 5965-01-530-2673
NSN 6135-00-271-0407
NSN 5975-01-086-1626
NSN 5935-01-314-8024
NSN 5905-01-363-9595
NSN 6110-00-853-3103
NSN 6610-01-392-8030