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 6110-00-985-2342
NSN 6620-00-350-3434
NSN 5960-01-504-3415
NSN 6130-00-216-9214
NSN 5905-01-006-8531
NSN 4140-01-050-2022
NSN 6145-01-608-5629
NSN 4140-01-123-8801
NSN 5930-01-562-3712
NSN 5975-00-798-5491
NSN 5945-00-089-9130
NSN 5905-01-137-8898