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 5925-01-167-8144
NSN 5920-01-546-0705
NSN 6645-01-031-6402
NSN 6105-01-250-7348
NSN 6685-01-191-7333
NSN 5905-01-588-8846
NSN 5985-01-182-9729
NSN 6145-01-621-8377
NSN 5945-00-939-1874
NSN 5998-01-523-7913
NSN 6650-01-440-0767
NSN 6650-00-187-5388