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 2925-01-218-0153
NSN 4140-01-502-4457
NSN 5835-00-126-2961
NSN 5990-00-424-8872
NSN 6150-01-408-2684
NSN 5905-01-394-6878
NSN 6150-00-487-4484
NSN 5960-00-111-8456
NSN 5915-01-497-1914
NSN 2925-00-956-0293
NSN 5996-01-198-7707
NSN 6240-01-054-0067