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 5910-01-468-5571
NSN 5975-01-334-1378
NSN 6610-00-051-4139
NSN 5905-01-172-8859
NSN 6620-00-262-3113
NSN 5950-00-559-7938
NSN 7035-01-465-0391
NSN 4140-01-540-5318
NSN 6110-01-413-1514
NSN 6645-01-442-4032
NSN 5855-01-518-5278
NSN 5996-01-619-4966