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 6650-01-567-0455
NSN 5925-01-500-5407
NSN 5930-00-653-1710
NSN
NSN 5910-01-095-6382
NSN 6610-01-484-8745
NSN 5835-00-494-3710
NSN 6130-00-876-2511
NSN 6685-01-398-5906
NSN 6610-01-151-7669
NSN 6135-01-309-5765
NSN 5920-01-150-6870