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 6110-00-797-7559
NSN 5905-00-872-6383
NSN 6645-01-408-3042
NSN 5996-00-737-0646
NSN 5990-01-030-5206
NSN 5925-01-020-7706
NSN 5855-01-618-1921
NSN 5835-00-025-9951
NSN 6320-01-558-2141
NSN 6150-01-424-6096
NSN 5945-01-556-7258
NSN 6240-01-540-4966