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 5905-00-106-9344
NSN 5925-01-183-8337
NSN 5910-00-227-9795
NSN 4140-00-257-5215
NSN 5950-00-703-1686
NSN 2925-01-206-5232
NSN 5895-01-250-7189
NSN 5998-01-644-4769
NSN 6650-00-775-6560
NSN 5915-01-105-1652
NSN 5998-00-517-1522
NSN 5990-01-565-2226