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 6240-01-178-9113
NSN 6135-00-315-1187
NSN 5855-00-879-7245
NSN 5975-00-052-4591
NSN 6685-00-845-4656
NSN 6105-00-835-4325
NSN 5835-01-273-3916
NSN 5925-01-583-9128
NSN 5945-00-753-1054
NSN 6110-01-542-8263
NSN 6130-01-003-8041
NSN 6620-01-456-0529