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 4140-01-361-9198
NSN 5950-01-356-8457
NSN 5996-01-274-7595
NSN 5999-00-020-3052
NSN 5999-01-301-2761
NSN 6620-01-392-7191
NSN 6135-01-142-6456
NSN 5895-00-821-9067
NSN 6105-00-119-2212
NSN 4140-01-181-4485
NSN 6105-00-163-4390
NSN 6135-01-265-1384