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 5895-01-516-7251
NSN 5920-01-035-7713
NSN 5910-01-356-8922
NSN 6110-01-382-9706
NSN 5999-01-278-6635
NSN 5960-00-034-7925
NSN 6685-01-314-8568
NSN 5835-01-440-5391
NSN 5945-01-369-2733
NSN 5975-01-415-5611
NSN 6645-00-476-7176
NSN 6610-00-518-4919