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 4140-01-369-8641
NSN 5925-00-064-9873
NSN 5950-01-084-8613
NSN 5935-01-603-6630
NSN 5925-01-546-9442
NSN 5960-01-010-3083
NSN 5965-01-159-0921
NSN 5960-00-406-4333
NSN 5985-01-193-4185
NSN 6650-01-013-3243
NSN 6220-01-482-3402
NSN 6135-01-654-6147