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 4140-01-514-4573
NSN 5975-00-491-5588
NSN 5950-01-583-8433
NSN 4140-00-794-2960
NSN 5935-01-116-0873
NSN 5985-00-410-7208
NSN 7035-00-104-7613
NSN 5935-01-234-9288
NSN 6240-00-107-8192
NSN 5895-01-580-1050
NSN 6220-01-434-0753
NSN 5910-01-461-3409