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 5975-01-253-9137
NSN 5999-01-023-1633
NSN 5965-01-051-8298
NSN 6610-01-168-7943
NSN 5920-00-314-5313
NSN 5996-00-226-5364
NSN 6620-00-172-9222
NSN 5930-00-175-9368
NSN 5905-00-360-1953
NSN 5935-01-190-0555
NSN 6240-01-200-7937
NSN 6135-01-142-2417