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 6220-01-209-6110
NSN 5930-00-764-2088
NSN 2925-00-233-5644
NSN 5975-01-081-9395
NSN 5895-01-091-0938
NSN 5905-01-593-5282
NSN 5835-01-485-1408
NSN 5990-00-274-3225
NSN 5895-01-230-1288
NSN 6220-00-174-4239
NSN 6620-01-207-0047
NSN 5945-00-855-8066