2540-22-616-4846

7640-27-031-8431 7640270318431 270318431 is a sheet or plate representing on a plain surface all or part of earth's surface, showing physical, natural, statistical and/or political features, or division. excludes chart; chart, recording instrument; plate, instruction; and sheet, technical.

5305-00-031-8431 5305000318431 000318431

5305-01-031-8431 5305010318431 010318431 is an externally threaded fastener whose threaded portion is of one nominal diameter. the head has an internal socket or multiple spline for use with an inserted driver. a locking feature may be incorporated in the design of the head or threads. excludes items with bevel (conical) heads. see bolt, internal wrenching. excludes screw, shoulder; and screw, machine.

1005-14-031-8431 1005140318431 140318431 is an item attached to the breech end and integral to a carbine, machine gun, pistol, rifle, or the like. it may be a fixed or adjustable cross blade with a u-or v-shaped notch or aperture, or it may have elevation and windage adjustment knobs, slides, and graduated scales and be provided with aperture disks.

1005-99-962-1434 1005999621434 999621434 is an item attached to the breech end and integral to a carbine, machine gun, pistol, rifle, or the like. it may be a fixed or adjustable cross blade with a u-or v-shaped notch or aperture, or it may have elevation and windage adjustment knobs, slides, and graduated scales and be provided with aperture disks.