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 5985-01-100-1206
NSN 5998-01-614-6713
NSN 5855-01-553-3368
NSN 5915-01-017-5923
NSN 6110-01-165-1669
NSN 5835-00-435-6638
NSN 5965-01-240-0233
NSN 5985-01-650-5951
NSN 6145-00-934-0331
NSN 6610-01-418-3284
NSN 6645-00-641-3202
NSN 5930-00-582-1730