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 6320-01-278-9832
NSN 5950-00-056-1558
NSN 5920-01-364-9528
NSN 6105-01-004-7890
NSN 6135-01-104-3790
NSN 6145-01-179-5389
NSN 5910-00-096-5160
NSN 5998-01-398-0072
NSN 6645-00-392-8728
NSN 6150-00-403-5584
NSN 2925-00-928-0045
NSN 5999-00-080-2117