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 6145-01-350-3532
NSN 5950-01-218-2986
NSN 6130-01-047-5153
NSN 5835-00-998-2917
NSN 5996-01-319-1845
NSN 5975-01-588-4141
NSN 5855-00-433-2377
NSN 5950-01-250-8909
NSN 6610-00-731-9532
NSN 5930-01-225-3827
NSN 5855-01-108-2044
NSN 6320-01-270-1419