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National Stock Number:
1240-00-066-7092
Federal Supply Class:
1240
National Item Identification Number:
000667092
Description:
CELL ASSEMBLY,OPTICAL INSTRUMENT
Detail:
AN ITEM CONSISTING OF A CELL, OPTICAL ELEMENT IN WHICH IS SECURED ONE OR MORE OPTICAL ELEMENTS, SUCH AS LENSES, RETICLES, FILTERS, WINDOWS, AND THE LIKE. MAY INCLUDE RETAINING RINGS, SPACERS, AND/OR SEPARATORS. FOR ITEMS WITH FOCUSING FACILITIES AND/OR A DIOPTER SCALE, SEE EYEPIECE ASSEMBLY, OPTICAL INSTRUMENT.
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Manufacturer Information:
| 8644281 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| ECCENTRIC CONSTRUCTION | NOT PROVIDED | | ACCESSORY COMPONENTS AND QUANTITY | RETAINER,OPTICAL ELEMENT 1 | | CELL CONTROLLING AGENCY | FRANKFORD ARSENAL | | CELL IDENTIFYING NUMBER | 8644282 PART NO. | | OPTICAL ELEMENT CONTROLLING AGENCY | FRANKFORD ARSENAL | | OPTICAL ELEMENT IDENTIFYING NUMBER | 8644284 PART NO. | | OPTICAL ELEMENT QUANTITY | 1 | | OPTICAL ELEMENT TYPE | COMPOUND LENS | | OVERALL DIAMETER | 3.490 INCHES MINIMUM AND 3.500 INCHES MAXIMUM | | OVERALL LENGTH | 3.609 INCHES MINIMUM AND 3.640 INCHES MAXIMUM | | MATERIAL | ALUMINUM ALLOY | | SCREW THREAD SERIES DESIGNATOR | UNS | | SPECIAL FEATURES | BOTH ENDS CHAMFERED 0.031 IN. BY 45 DEG; TWO NO. 6-32UNC-2B THD HOLES ON PERIPHERY,SPACED 180 DEG APART,0.125IN. DISTANCE FROM THREADED END TOCENTER OF HOLES; FOUR 0.156 DIA HOLES IN TWO PLACES ON PERIPHERY,EQUALLY SPACED,0.650IN. AND 1.937IN. DISTANCE FROM THREADED END TO CENTER OF HOLES | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.815 INCHES | | THREAD LOCATION | INTERNAL | | THREAD SIZE | 3-3/16 IN.-24 |
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