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 6240-01-592-4068
NSN 5935-00-043-5293
NSN 5998-00-925-0666
NSN 6135-00-932-3136
NSN 5895-01-086-8402
NSN 6130-00-422-1761
NSN 5835-01-602-0311
NSN 5895-01-415-6326
NSN 5998-00-682-5717
NSN 6650-01-105-9117
NSN 5935-00-797-5083
NSN 5990-00-244-5715