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 6150-01-334-1111
NSN 6650-00-299-9681
NSN 6145-01-417-2988
NSN 6150-00-534-3762
NSN 6110-00-578-7243
NSN 5950-01-166-8200
NSN 6240-01-320-1308
NSN 7035-01-166-7857
NSN 5930-01-269-4403
NSN 5925-00-752-8292
NSN 7035-01-473-3223
NSN 6650-01-416-0473