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 6220-01-590-0137
NSN 5960-01-443-3067
NSN 5950-00-899-0819
NSN 6620-01-470-2675
NSN 6645-01-229-7749
NSN 5910-01-098-5267
NSN 5950-01-210-5032
NSN 6150-00-473-8805
NSN 5895-01-182-9327
NSN 5905-01-513-0588
NSN 5935-00-478-7658
NSN 5855-01-559-7611