1005-12-381-6897

1005-12-360-2168 1005123602168 123602168 FLANSCH, WAFFENROHR

3040-12-380-2885 3040123802885 123802885 is 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.

1005-12-360-4153 1005123604153 123604153 KOLBEN, RUECKSTOSZV

1005-12-360-4152 1005123604152 123604152 is a cylindrical piece which moves or reciprocates under gas pressure in a cylinder, gas, gun. it is usually a single item, but may have facilities for attachment to an operating rod. excludes threaded end types with an integral operating rod, for which, see rod assembly, operating, gun.

1005-12-360-2434 1005123602434 123602434 is an item attached to the bolt or bolt carrier of a gas-operated firearm. this part provides a means to transfer gas generated in the barrel to the bolt for energy to operate the bolt.