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 5935-00-644-5354
NSN 5950-01-218-5639
NSN 5985-00-827-1061
NSN 5998-01-053-3129
NSN 6135-01-322-4655
NSN 5895-01-574-8929
NSN 5965-01-424-1096
NSN 5998-00-041-1807
NSN 4140-01-292-7854
NSN 6645-01-337-1806
NSN 5945-00-626-9917
NSN 6620-01-088-1272