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 5925-01-391-4986
NSN 5998-01-487-7058
NSN 5915-01-128-7110
NSN 5835-01-424-0054
NSN 5910-01-622-5674
NSN 5950-01-571-3896
NSN 5985-01-639-8150
NSN 5998-01-217-1372
NSN 6645-01-266-7517
NSN 5835-00-289-9080
NSN 6650-00-143-1889
NSN 6320-01-449-1014