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 5996-01-495-2923
NSN 7035-01-515-7055
NSN 6130-01-192-0264
NSN 5985-00-354-3295
NSN 5999-00-933-9292
NSN 5910-00-227-9795
NSN 4140-01-310-0003
NSN 5935-01-148-0175
NSN 7035-01-213-5590
NSN 6610-00-186-9180
NSN 6645-01-322-8431
NSN 5910-01-362-6346