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 5990-01-517-7848
NSN 5950-01-109-3809
NSN 4140-00-203-0191
NSN 6240-01-534-4007
NSN 6110-00-403-3580
NSN 6105-01-650-8083
NSN 6150-01-004-6199
NSN 6130-01-553-7519
NSN 6650-01-514-0240
NSN 5960-00-942-0934
NSN 5910-01-112-0723
NSN 6220-00-114-4953