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 5855-01-356-5284
NSN 6610-01-333-9543
NSN 5920-00-133-5400
NSN 5960-01-355-2968
NSN 5985-01-527-4843
NSN 5960-01-100-5065
NSN 5965-00-045-7156
NSN 5930-01-385-0664
NSN 5910-01-443-3016
NSN 5915-01-606-2363
NSN 5950-00-286-3301
NSN 5990-00-719-4947