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 5930-01-475-6936
NSN 6610-01-468-6880
NSN 5945-00-969-2131
NSN 7035-01-313-6973
NSN 6110-01-600-9934
NSN 6130-00-626-0082
NSN 2925-01-569-3795
NSN 5965-00-225-1848
NSN 5960-00-529-2704
NSN 5905-01-466-3959
NSN 5920-01-582-6924
NSN 6220-01-613-7368