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 6610-01-151-7669
NSN 5950-01-092-8183
NSN 5910-01-413-8634
NSN 5985-01-652-4214
NSN 5930-01-386-6417
NSN 5915-01-463-2283
NSN 5960-01-365-2320
NSN 6240-01-468-5576
NSN 6135-01-116-3385
NSN 2925-01-134-9175
NSN 5965-01-300-9664
NSN 5930-01-158-2550