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 5965-01-580-8049
NSN 5998-01-263-7345
NSN 6110-00-776-2878
NSN 5855-01-532-7513
NSN 6150-01-181-6199
NSN 5855-00-014-5008
NSN 5945-01-377-9739
NSN 4140-00-952-0697
NSN 4140-01-445-9115
NSN 6320-01-350-5570
NSN 6620-01-290-2973
NSN 5996-01-010-4333