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 5975-01-168-4374
NSN 6110-00-218-4737
NSN 6130-01-417-2662
NSN 6240-01-333-1427
NSN 5999-00-419-2376
NSN 5998-01-552-7006
NSN 5925-00-013-1258
NSN 5855-01-445-6551
NSN 6105-00-786-7104
NSN 6135-01-465-2681
NSN 7035-01-340-7754
NSN 6130-01-067-8343