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 5920-01-267-1417
NSN 5996-00-045-7233
NSN 5975-01-360-1776
NSN 6145-01-179-9547
NSN 6110-01-043-8291
NSN 5960-00-831-8683
NSN 5895-00-877-4875
NSN 5895-01-373-0348
NSN 5855-00-256-5562
NSN 6145-01-546-6431
NSN 2925-01-027-1293
NSN 4140-01-226-3314