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 5950-01-412-0262
NSN 4140-01-303-1338
NSN 6145-00-827-3432
NSN 5930-01-147-1422
NSN 5999-01-464-7698
NSN 5920-00-146-5071
NSN 6620-00-906-1726
NSN 5915-00-811-7288
NSN 6150-01-146-2187
NSN 5996-00-946-6106
NSN 5998-00-808-8983
NSN 5855-01-074-0446