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 4140-01-634-0330
NSN 6620-01-169-6699
NSN 6110-01-046-0120
NSN 5996-01-159-4277
NSN 5999-00-205-0918
NSN 6240-00-295-2999
NSN 5950-01-024-7637
NSN 5925-00-952-0618
NSN 5855-01-284-3500
NSN 6240-01-478-8488
NSN 6105-01-026-0165
NSN 5835-00-010-1614