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 5990-00-351-5479
NSN 2925-01-415-0264
NSN 5920-01-569-2896
NSN 5930-01-425-2630
NSN 5998-01-021-5665
NSN 6645-00-850-6486
NSN 6650-01-052-0015
NSN 5915-01-631-9828
NSN 5905-01-411-0345
NSN 5935-00-848-5457
NSN 5950-01-242-6083
NSN 6135-01-419-2233