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 6135-01-400-2947
NSN 6620-00-635-7347
NSN 4140-00-736-8813
NSN 5910-01-304-0359
NSN 5998-01-643-9305
NSN 4140-00-335-2863
NSN 5985-01-615-6682
NSN 5990-01-271-1628
NSN 5945-00-594-5168
NSN 7035-01-236-5743
NSN 6240-00-226-0462
NSN 5920-01-301-9646