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 4140-00-142-2491
NSN 6110-00-862-9137
NSN 6110-00-560-2207
NSN 5960-00-416-6016
NSN 6130-00-439-2294
NSN 6145-01-015-6934
NSN 6220-00-429-6652
NSN 5985-01-382-9789
NSN 6240-01-188-2745
NSN 6220-00-186-8565
NSN 5975-00-116-9646
NSN 5905-01-364-7380