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 6150-00-644-7707
NSN 4140-01-438-7677
NSN 5930-01-325-5554
NSN 4140-01-168-8796
NSN 6610-01-160-3770
NSN 5895-01-478-2566
NSN 6240-00-215-8550
NSN 5855-01-108-2044
NSN 6135-01-490-4422
NSN 4140-00-766-6045
NSN 6220-00-465-7553
NSN 5990-00-212-4316