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 6650-01-063-7614
NSN 5975-00-915-7227
NSN 6145-01-609-2291
NSN 6105-00-518-1854
NSN 6220-01-426-3485
NSN 5920-00-471-2548
NSN 5930-01-634-0659
NSN 6130-00-531-6564
NSN 6645-00-276-7544
NSN 5910-00-266-8313
NSN 5999-01-272-4456
NSN 5985-01-438-2713