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 6150-00-442-6014
NSN 5895-01-580-1050
NSN 6620-01-025-1443
NSN 5910-01-100-4005
NSN 5910-01-112-7919
NSN 6320-01-272-7072
NSN 5960-01-086-9650
NSN 5990-01-017-3590
NSN 6105-01-270-3654
NSN 5990-01-330-4552
NSN 5925-00-727-3832
NSN 5935-01-264-6613