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 6150-01-421-4028
NSN 5998-01-633-6853
NSN 6145-01-641-5055
NSN 5950-01-394-3822
NSN 6110-01-502-9212
NSN 5895-01-559-4106
NSN 6135-01-391-8539
NSN 6130-01-518-6115
NSN 5910-00-411-3619
NSN 6130-01-060-9904
NSN 6135-01-014-9755
NSN 5950-01-339-0333