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 5910-01-122-4171
NSN 5996-01-167-8914
NSN 5905-00-277-7439
NSN 5996-01-647-6124
NSN 5985-00-249-7252
NSN 5990-01-421-5342
NSN 5999-01-181-6529
NSN 6240-00-919-9186
NSN 5925-01-642-2683
NSN 4140-01-278-1310
NSN 6130-01-078-3802
NSN 6105-00-950-2311