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 5855-01-308-0955
NSN 6645-01-556-5263
NSN 2925-00-159-9003
NSN 6610-00-255-8770
NSN 5985-00-936-8935
NSN 6620-00-542-1579
NSN 6685-00-110-8030
NSN 6610-01-432-8459
NSN 6145-00-116-4122
NSN 6685-00-966-5561
NSN 6320-01-125-3361
NSN 7035-00-193-2269