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 5905-01-378-5902
NSN 6135-01-255-9129
NSN 5935-01-608-1411
NSN 5965-01-069-5650
NSN 6650-01-235-0981
NSN 6610-00-998-8764
NSN 6320-00-382-7825
NSN 6135-01-548-1423
NSN 6130-00-684-6773
NSN 5965-01-624-8569
NSN 5990-01-411-5930
NSN 6130-00-053-1069