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 5985-01-447-2723
NSN 6240-01-219-7356
NSN 5985-01-160-3694
NSN 5975-01-523-1640
NSN 5855-00-821-7512
NSN 6145-00-479-8949
NSN 6320-00-149-7570
NSN 5920-00-189-0858
NSN 6130-01-539-0646
NSN 5920-00-808-8342
NSN 5975-00-275-0820
NSN 5998-01-580-7691