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 5996-00-018-3802
NSN 6220-01-418-0383
NSN 5975-00-655-4103
NSN 5975-01-290-5789
NSN 5915-01-653-3179
NSN 5905-00-558-0533
NSN 6610-00-264-0961
NSN 6145-01-495-0942
NSN 5910-00-892-2976
NSN 6240-01-442-0435
NSN 5910-01-078-6579
NSN 6320-01-227-2648