1 Images
Display Status

This object is not on display at the National Air and Space Museum. It is either on loan or in storage.

Object Details

Date

c. 1943

Country of Origin

United States of America

Type

ARMAMENT-Sights & Controls

Manufacturer

National Cash Register Co.

Physical Description

One (1) U.S. Army Type K-4 automatic compensating gun sight, as used for sighting .50 caliber M2 machine guns in the Types A-2 and A-13 lower ball turrets.

Dimensions

3-D: 33 x 26.7 x 34.3cm (13 x 10 1/2 x 13 1/2 in.)

Materials

Aluminum, Steel, Paint, Plastic, Preservative Coating, Glass, Magensium

Inventory Number

A19990265000

Credit Line

Found in Collection. Donor Unknown at this Time. Found on NASM Premises.

Data Source

National Air and Space Museum

Restrictions & Rights

Usage conditions apply
For more information, visit the Smithsonian’s Terms of Use.