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 6645-00-825-5677
NSN 5905-01-197-7929
NSN 6110-00-003-8586
NSN 5985-00-428-7360
NSN 5910-01-554-5324
NSN 6620-00-596-1951
NSN 7035-01-073-5233
NSN 6150-01-173-3957
NSN 5960-01-553-4557
NSN 5925-01-078-6673
NSN 4140-01-417-4369
NSN 6220-01-436-3850