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 5910-01-508-0551
NSN 4140-01-321-9085
NSN 2925-01-426-3410
NSN 6145-01-279-1264
NSN 5905-01-475-3734
NSN 5950-00-816-7864
NSN 5915-01-352-5871
NSN 5960-01-351-5074
NSN 5925-01-400-0821
NSN 5960-01-311-5817
NSN 6135-00-351-8606
NSN 5935-00-116-7719