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 5920-01-018-4776
NSN 2925-01-127-0167
NSN 5930-00-053-8674
NSN 6105-01-222-1091
NSN 5905-01-140-7269
NSN 5998-01-063-3626
NSN 5965-01-320-7832
NSN 6220-01-448-2664
NSN 6110-01-389-2860
NSN 6220-00-118-6112
NSN 2925-01-151-6969
NSN 5945-00-067-6712