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 6110-01-255-5190
NSN 5945-00-597-2049
NSN 6645-01-467-9983
NSN 5960-01-623-5951
NSN 6320-00-925-0558
NSN 6130-01-434-5995
NSN 5915-01-285-2841
NSN 5855-01-484-1416
NSN 5950-00-959-7488
NSN 2925-00-231-8041
NSN 6110-01-361-8949
NSN 5960-01-301-3315