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 6150-00-992-1874
NSN 6105-01-023-7887
NSN 6620-01-234-1799
NSN 5905-01-556-3478
NSN 2925-00-698-4882
NSN 5965-01-576-8847
NSN 5925-01-622-9191
NSN 5960-01-449-1310
NSN 6645-01-276-1029
NSN 6105-01-605-1447
NSN 5910-01-023-9750
NSN 6240-01-539-1507