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 5920-01-246-4458
NSN 5855-01-571-6715
NSN 5915-00-816-4337
NSN 6135-00-110-1981
NSN 6645-01-162-4509
NSN 6320-01-512-2031
NSN 5855-01-547-6918
NSN 7035-01-421-4446
NSN 5910-01-632-9191
NSN 5835-01-463-2334
NSN 6240-00-411-8499
NSN 2925-01-065-0060