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 6645-01-345-6828
NSN 6150-01-056-9963
NSN 6130-00-156-3029
NSN 6150-00-733-2752
NSN 2925-00-149-0760
NSN 6240-00-740-8901
NSN 5975-00-636-1725
NSN 6110-01-045-0399
NSN 6240-00-197-6819
NSN 5975-01-038-8707
NSN 5935-01-215-2123
NSN 5925-00-958-4332