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 5920-00-094-0655
NSN 6130-01-083-5205
NSN 5925-01-560-0163
NSN 6620-01-354-2824
NSN 5925-01-437-9172
NSN 2925-01-226-6126
NSN 5930-01-193-8862
NSN 5905-00-299-8000
NSN 6135-01-571-0845
NSN 6110-00-831-3727
NSN 6105-00-169-6239
NSN 6130-01-305-5017