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 5920-00-147-7975
NSN 5915-01-451-4332
NSN 6240-01-570-3066
NSN 6145-01-083-4203
NSN 5905-01-396-9400
NSN 6610-01-433-2219
NSN 5960-01-552-0862
NSN 6650-01-579-3855
NSN 5950-01-142-7859
NSN 5999-00-901-6246
NSN 6110-00-501-5585
NSN 6645-00-064-7210