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 6645-01-538-5041
NSN 6150-01-437-6927
NSN 2925-01-111-2927
NSN 5975-00-615-2582
NSN 6240-01-467-9719
NSN 6240-01-486-0789
NSN 6135-00-932-3136
NSN 4140-01-286-8852
NSN 5998-01-251-1541
NSN 6650-01-270-0318
NSN 5999-00-141-7682
NSN 5855-01-554-9810