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 5910-01-157-9946
NSN 6685-00-379-4652
NSN 4140-00-995-3268
NSN 5998-00-470-1627
NSN 5920-01-576-0181
NSN 5835-01-424-0054
NSN 5975-01-458-6370
NSN 5935-01-525-4346
NSN 5999-01-356-2544
NSN 6220-01-549-2220
NSN 6150-01-521-4027
NSN 5895-01-135-4707