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 5920-01-320-9357
NSN 5990-01-136-4068
NSN 5930-01-267-7147
NSN 6110-00-935-5351
NSN 5935-01-429-0157
NSN 5920-01-444-2895
NSN 5925-01-477-8316
NSN 6620-01-412-7426
NSN 6220-00-156-0860
NSN 5999-01-183-4771
NSN 5855-00-058-1293
NSN 2925-01-463-8856