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 5998-01-233-7431
NSN 6240-01-212-3255
NSN 6645-01-131-9664
NSN 5855-00-256-5562
NSN 7035-00-946-2642
NSN 5985-00-566-7329
NSN 6320-00-160-0899
NSN 6145-01-533-2876
NSN 5910-01-110-9317
NSN 5905-01-432-1961
NSN 5920-01-613-2141
NSN 6620-01-264-6646