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 6240-01-359-6024
NSN 5930-00-594-5525
NSN 6135-00-880-1026
NSN 5895-01-612-7573
NSN 5999-00-100-5761
NSN 4140-01-415-3363
NSN 5965-00-403-5453
NSN 5915-00-447-9927
NSN 5835-01-054-9016
NSN 6240-00-874-3533
NSN 5855-00-997-6225
NSN 6620-01-580-5864