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 5915-01-390-0885
NSN 6150-00-009-0833
NSN 6145-00-775-0786
NSN 6650-00-554-1457
NSN 5855-00-631-4565
NSN 6620-01-251-8856
NSN 5925-01-158-0762
NSN 5925-01-373-2324
NSN 5905-01-239-3851
NSN 5930-01-454-5802
NSN 5999-01-032-4340
NSN 5925-00-192-9630