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 5996-01-507-1515
NSN 5965-01-559-1898
NSN 5920-01-377-5803
NSN 5960-01-553-4557
NSN 7035-01-106-3476
NSN 6685-00-788-7599
NSN 5935-01-348-7750
NSN 5835-00-198-4936
NSN 7035-01-501-5549
NSN 5925-00-622-0354
NSN 6220-01-145-4993
NSN 6220-00-617-9616