Rubber composition, class sc-415, a1, c1, e3, f1; pad, one; support, one; headrest, 3.750 in. Lg; 0.750 in. H; 3.313 in. W
An item fabricated from a cellular rubber pad, cemented to a rigid or semirigid backplate. It is usually shaped to fit the curvature of the forehead or a single brow of the observer. It is designed to be mounted on sighting devices, such as periscopes, telescope mounts, range finders, and thelike, to protect the observer from vibration and/or shock while sighting.
Classification: Military equipments not identified by kind
NSN 2925-00-278-9468
NSN 5999-01-437-0830
NSN 5925-01-451-5140
NSN 5930-01-089-9142
NSN 5855-00-908-6402
NSN 5975-00-952-1791
NSN 5920-01-452-6222
NSN 5835-01-041-0585
NSN 6240-01-570-7149
NSN 6105-01-509-9544
NSN 5998-00-781-3141
NSN 5855-00-361-0167