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 6645-01-147-5579
NSN 6105-00-245-0830
NSN 5998-01-333-9354
NSN 6145-01-242-9211
NSN 6620-01-593-0817
NSN 6320-01-039-5891
NSN 5950-01-166-8981
NSN 6240-00-280-0186
NSN 5945-00-764-8878
NSN 5910-01-010-1257
NSN 6110-01-503-7580
NSN 5965-00-644-0334