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 6110-00-207-8862
NSN 5935-01-568-6297
NSN 5915-01-227-4573
NSN 5930-00-383-5447
NSN 6105-00-812-8170
NSN 5975-01-463-9869
NSN 6650-01-299-8636
NSN 6645-00-150-6526
NSN 5950-01-502-1271
NSN 6240-00-890-4776
NSN 6130-01-005-8504
NSN 6145-01-577-2478