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 6135-00-998-5884
NSN 5895-00-236-8877
NSN 4140-01-249-1388
NSN 5960-00-504-9996
NSN 5910-01-140-5583
NSN 6620-01-274-3423
NSN 5996-00-996-1021
NSN 6620-00-121-9702
NSN 6610-00-856-7136
NSN 6220-00-622-3572
NSN 5855-00-688-9954
NSN 4140-01-285-4418