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 6135-00-942-7970
NSN 5950-01-281-7506
NSN 5935-01-181-6651
NSN 4140-01-369-1615
NSN 6110-00-708-3832
NSN 7035-01-107-2811
NSN 5895-00-767-8449
NSN 7035-00-135-4758
NSN 4140-01-277-6355
NSN 5930-01-137-6542
NSN 5998-01-255-5642
NSN 5905-00-782-8150