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 5925-00-422-5151
NSN 6620-01-569-4621
NSN 6620-00-838-6954
NSN 6110-00-216-6911
NSN 5935-01-401-5324
NSN 6645-00-149-1100
NSN 5965-00-387-6880
NSN 6620-00-957-7462
NSN 6105-00-264-0355
NSN 5855-01-366-2429
NSN 6110-01-399-8587
NSN 5920-00-899-3384