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 5960-01-323-0024
NSN 5975-01-094-3287
NSN 4140-00-753-9204
NSN 5930-00-151-4787
NSN 6645-01-343-6077
NSN 5905-01-435-4531
NSN 6650-01-246-6512
NSN 5990-01-299-2014
NSN 5930-00-493-5441
NSN 6240-00-866-6239
NSN 5996-01-232-0067
NSN 6645-01-077-9350