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 6620-01-132-1776
NSN 5895-01-505-4076
NSN 5920-00-800-8998
NSN 6110-00-489-8810
NSN 6150-00-258-3761
NSN 6685-01-371-3050
NSN 5910-01-328-6221
NSN 6240-01-160-7934
NSN 6620-01-279-0651
NSN 6145-00-158-5549
NSN 5985-01-584-1002
NSN 6620-01-374-4382