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 6320-00-174-1362
NSN 6110-00-831-3727
NSN 5920-00-243-2023
NSN 5915-01-479-0779
NSN 5925-00-216-4480
NSN 5998-01-099-8944
NSN 6320-01-455-3394
NSN 2925-00-335-7119
NSN 6645-01-451-1295
NSN 5920-01-599-4432
NSN 4140-01-140-6781
NSN 6650-01-160-1110