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 5965-01-542-8510
NSN 5960-00-052-0081
NSN 5985-01-027-5763
NSN 5965-01-381-4879
NSN 6220-01-485-0333
NSN 7035-00-076-4097
NSN 6650-00-809-1817
NSN 5920-00-510-7656
NSN 5965-00-333-3359
NSN 6135-00-191-6444
NSN 5915-00-681-6299
NSN 5998-01-549-6613