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 6150-00-250-9171
NSN 5945-01-550-4051
NSN 5930-01-063-7034
NSN 5920-01-372-6467
NSN 5910-01-431-0558
NSN 5985-01-274-0342
NSN 6135-00-932-3136
NSN 5910-01-071-0682
NSN 5945-01-476-8109
NSN 5950-00-672-3458
NSN 5855-01-272-1504
NSN 5990-00-111-3614