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 5920-01-130-5893
NSN 6240-00-275-1950
NSN 5960-00-988-1924
NSN 6145-00-780-5509
NSN 2925-00-906-0421
NSN 5935-01-488-2221
NSN 6110-01-315-5270
NSN 5998-01-456-2389
NSN 6220-01-444-6516
NSN 6110-00-806-4224
NSN 5975-01-020-1178
NSN 5895-01-575-8351