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 5895-01-303-8375
NSN 5925-01-468-6567
NSN 5950-01-519-2663
NSN 6220-01-632-8217
NSN 5975-01-328-7481
NSN 6150-01-641-6164
NSN 5945-00-155-4290
NSN 5835-01-203-1871
NSN 6145-00-278-0697
NSN 6110-00-431-0402
NSN 5855-01-178-1130
NSN 6150-01-545-0787