1270-01-171-8375 CELL ASSEMBLY,OPTICAL INSTRUMENT Index 1240-01-171-8377 RING,RETAINING,OPTICAL ELEMENT

National Stock Number:
1270-01-171-8376

Federal Supply Class:
1270

National Item Identification Number:
011718376

Description:
CELL,OPTICAL ELEMENT

Detail:
A CYLINDRICAL ITEM SPECIFICALLY DESIGNED TO HOLD A LENS, RETICLE, OR WINDOW IN AN OPTICAL SYSTEM. INCLUDES ECCENTRIC CELLS AND/OR RINGS DESIGNED TO BE ROTATED WITHIN THE INSTRUMENT TO SHIFT AN OPTICAL ELEMENT TO A PRESCRIBED POSITION.


Manufacturer Information:
1307528104939LOCKHEED MARTIN CORPORATION
1307528158260PROGRAM MANAGER ADVANCED ATTACK HELICOPTER BARCOM AMCPM-AAH


Techincal Specification:
ECCENTRIC CONSTRUCTIONNOT PROVIDED
CHAMFER LOCATIONTHREADED END
CHAMFER SIZE0.030 IN. BY 45 DEG
OVERALL DIAMETER4.700 INCHES NOMINAL
OVERALL LENGTH4.610 INCHES NOMINAL
MATERIALALUMINUM ALLOY
SCREW THREAD SERIES DESIGNATORUNS
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A
THREAD LOCATIONEXTERNAL
THREAD PITCH DIAMETERS+4.7102 TO 4.7486 INCHES
THREAD SIZE4 3/4-32


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