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 6105-01-564-9442
NSN 6145-00-861-6035
NSN 5985-01-562-2373
NSN 6650-01-604-9315
NSN 5960-00-413-8129
NSN 7035-00-286-6221
NSN 5915-00-280-9082
NSN 5996-00-573-9940
NSN 6110-01-456-1985
NSN 5905-01-483-6244
NSN 5950-01-145-5419
NSN 6620-00-091-7236