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 4140-01-649-3960
NSN 5915-00-393-1850
NSN 7035-01-490-5219
NSN 6320-01-228-2380
NSN 5905-01-479-5375
NSN 5910-01-064-8344
NSN 5855-00-548-4742
NSN 5998-01-023-2949
NSN 7035-01-364-8454
NSN 5920-01-350-7326
NSN 6130-00-930-8823
NSN 6135-01-596-3145