7640180

Optical instrument eyeshield

7640180 Description

1.578 inches overall length, ring attachment method, six holes 0.078 in. Dia. On periphery, spaced 60 deg apart, approx. 0.562 in. From end of attachment end .

Features

Six holes 0.078 in. Dia. On periphery, spaced 60 degrees apart, approx. 0.562 in. From end of attachment end

Properties of 7640180

Overall Length:
Between 1.578 inches and 1.609 inches
Attachment Method:
Ring
Viewing End Inside Diameter:
1.093 inches
Attachment End Inside Diameter:
1.562 inches
Material:
Rubber, synthetic, mil-std-417, grade rs410abc2f2
Material:
Rubber, synthetic, mil-std-417, grade rs410abc2f2
Fsc Application Data:
Telescope, straight
NSN:
1240-00-764-0180
Description:
Eyeshield,optical Instrument
Cage Code:

Definition Optical Instrument Eyeshield

A resilient rubber item, designed to be attached to the viewing aperture of an optical instrument, to maintain proper eye distance and to protect the eye(s) of the observer from stray light, wind, and/or injury due to shock of gun fire or similar disturbances. Excludes visor, periscope.

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Last modified 05/18/2024