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National Stock Number:
1240-01-076-2074
Federal Supply Class:
1240
National Item Identification Number:
010762074
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.
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Manufacturer Information:
| 12266729 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| ECCENTRIC CONSTRUCTION | NOT PROVIDED | | MATERIAL | ALUMINUM ALLOY 356.0 | | SCREW THREAD SERIES DESIGNATOR | UNS | | SPECIAL FEATURES | CELL-FOLDING MIRROR,WIDE ANGLE OBJECTIVE; ITEM IS 3 SIDED WITH 3 OPENINGS,2.825 INSIDE DIA,1.750 INSIDE DIA,AND 1.710 INSIDE DIA; INCLUDES 4 EQSP THREADED HOLES,0.138-32UNC-2B X .32 DP ON 3.250 DIA B.C.; INCLUDES 3 EQ SP HOLES,0.120 DIA DRILL POINT 0.036 DP ON 2.562 DIA B.C.; INCLUDES 4 EQ SP THREADED HOLES,0.138-32UNC-2B X .32 DP ON 2.062 DIA B.C.; INCLUDES 0.128 DIA THRU TO BORE,CBORE .38 DIA X .13 DEEP,0.164-32UNC-2B X .25 DP; USED ON M901 | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD PITCH DIAMETERS | +2.6797 TO 2.6855 INCHES | | THREAD LOCATION | INTERNAL | | THREAD SIZE | 2 45/64-32 |
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