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 6620-01-564-7858
NSN 5985-00-515-2184
NSN 6105-01-476-8040
NSN 7035-01-076-4067
NSN 5935-00-082-1493
NSN 6685-01-537-4115
NSN 5925-01-255-8675
NSN 5996-00-993-6425
NSN 5835-00-223-7235
NSN 6220-01-220-5260
NSN 5950-00-236-0760
NSN 5945-00-087-4037