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 5996-01-539-1351
NSN 5935-01-653-8205
NSN 5985-01-390-8684
NSN 5925-00-364-7969
NSN 6645-01-447-3143
NSN 5998-01-032-5590
NSN 5915-01-435-5275
NSN 5895-01-403-2793
NSN 6150-01-232-6614
NSN 6610-01-336-2787
NSN 6320-01-039-5891
NSN 6145-00-065-4337