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 5895-01-138-0196
NSN 5950-01-026-0680
NSN 2925-00-596-9775
NSN 6645-01-056-1445
NSN 5915-00-394-6523
NSN 6150-01-443-6221
NSN 6320-01-384-3850
NSN 5910-00-006-3942
NSN 5950-01-473-8514
NSN 5915-00-984-5665
NSN 5855-01-328-5913
NSN 6610-01-033-2402