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 5998-00-356-3188
NSN 5996-00-754-2840
NSN 5895-01-243-5475
NSN 5975-01-259-4180
NSN 5925-00-066-1271
NSN 6135-01-424-1114
NSN 5996-00-141-3945
NSN 6610-01-090-5908
NSN 5915-01-523-9085
NSN 6685-01-144-3563
NSN 6240-01-632-2700
NSN 5930-01-160-9098