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 6610-01-351-4607
NSN 5990-01-364-8405
NSN 5960-00-606-8593
NSN 5895-00-185-8627
NSN 5996-01-550-3111
NSN 5895-01-169-2639
NSN 5950-01-317-3891
NSN 5975-01-262-4700
NSN 6645-01-414-8806
NSN 5975-01-371-1086
NSN 6145-00-160-0767
NSN 6135-01-321-5659