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 5990-00-170-4239
NSN 5930-00-853-1153
NSN 5895-00-905-3985
NSN 2925-01-397-8028
NSN 5905-01-087-8326
NSN 6135-00-100-8890
NSN 6620-00-175-0663
NSN 6145-00-647-1893
NSN 6110-01-543-7050
NSN 6105-01-504-1185
NSN 7035-01-412-8322
NSN 6145-00-500-0238