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 6135-00-437-5182
NSN 6240-01-525-6585
NSN 5998-00-208-3362
NSN 6110-00-823-2365
NSN 5996-00-138-7148
NSN 6610-01-222-4573
NSN 6110-00-577-8156
NSN 5945-01-351-9550
NSN 5835-00-779-2836
NSN 5895-01-287-5948
NSN 6620-01-421-3917
NSN 4140-01-513-4243