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 5915-01-040-6772
NSN 6145-01-182-3448
NSN 5895-01-532-4563
NSN 5996-00-779-0835
NSN 6610-00-209-4372
NSN 5985-01-456-7488
NSN 5996-00-072-1528
NSN 6145-00-480-4809
NSN 5996-01-583-8067
NSN 5950-00-832-2897
NSN 6240-00-103-6646
NSN 7035-01-125-7357