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 5998-01-569-2101
NSN 5935-01-077-6427
NSN 6220-01-377-5645
NSN 5910-01-364-8381
NSN 5950-01-199-5342
NSN 7035-01-547-6846
NSN 5990-00-852-2369
NSN 5905-00-436-3874
NSN 2925-01-197-7864
NSN 5985-01-035-1278
NSN 5905-00-189-0748
NSN 5925-01-020-7706