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 6150-00-760-6051
NSN 6610-00-514-7773
NSN 5895-00-483-0500
NSN 5925-00-957-7350
NSN 6620-00-003-2020
NSN 5935-00-297-8846
NSN 5855-01-325-3380
NSN 6320-01-108-5933
NSN 6240-00-922-6173
NSN 7035-00-908-4933
NSN 6135-01-332-0431
NSN 6645-01-381-0656