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National Stock Number:
1240-14-567-9061
Federal Supply Class:
1240
National Item Identification Number:
145679061
Description:
MASK,OPTICAL INSTRU
Detail:
A THIN METALLIC OR NONMETALLIC PLATE WHICH HAS AN OPENING OF A SPECIFIC SIZE. ITS FUNCTION IS TO LIMIT THE FIELD OF VIEW OF A TELESCOPE, PERISCOPE OR THE LIKE BY BLOCKING PERIPHERAL LIGHT OR IMAGES. EXCLUDES MASK, LANTERN SLIDE, PHOTOGRAPHIC.
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Manufacturer Information:
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