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 5910-01-503-2600
NSN 5996-01-420-5839
NSN 6240-01-431-5790
NSN 6620-01-329-3563
NSN 6130-00-032-4859
NSN 6135-01-156-4627
NSN 5945-00-159-1567
NSN 5935-00-072-9424
NSN 5910-01-651-6616
NSN 5985-01-474-9203
NSN 5999-01-242-9350
NSN 6145-01-148-7837