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 6610-01-641-7834
NSN 6645-00-896-4838
NSN 5895-01-355-8167
NSN 6240-00-011-0183
NSN 6150-01-025-8134
NSN 6620-01-413-4170
NSN 5945-00-224-9204
NSN 6645-01-348-1120
NSN 5998-01-354-8057
NSN 5965-00-431-2492
NSN 5835-00-113-6090
NSN 5985-01-581-6848