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 5925-00-539-5324
NSN 5990-01-514-8708
NSN 6645-01-646-2953
NSN 6320-01-420-0340
NSN 6645-00-861-2337
NSN 5996-01-231-4361
NSN 5998-01-352-7712
NSN 6650-01-139-9534
NSN 5960-01-026-7379
NSN 5945-01-161-2324
NSN 6650-00-333-9044
NSN 6110-01-032-5075