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 5960-01-327-9536
NSN 5925-01-319-6738
NSN 5930-00-159-1525
NSN 5855-01-471-7836
NSN 4140-00-415-6513
NSN 6135-01-554-8523
NSN 5950-00-655-1416
NSN 6150-00-221-5122
NSN 6150-01-554-2494
NSN 5855-00-058-1293
NSN 5895-01-462-2353
NSN 6650-01-254-7981