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 5945-01-409-2718
NSN 6145-01-534-6168
NSN 6130-01-250-2822
NSN 5835-01-384-3206
NSN 5975-01-596-1512
NSN 5930-00-840-8125
NSN 6110-00-070-7086
NSN 5950-01-033-6480
NSN 5998-01-381-9312
NSN 5999-01-649-6992
NSN 5920-00-166-3508
NSN 5925-01-459-7882