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National Stock Number:
1240-00-300-8000
Federal Supply Class:
1240
National Item Identification Number:
003008000
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:
| 7695930 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| MATERIAL | STEEL COMP 303 OR | | STEEL COMP 304 | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763, CLASS 303, COND A FED SPEC 1ST MATERIAL RESPONSE AND | | QQ-S-763, CLASS 304 FED SPEC 2ND MATERIAL RESPONSE | | SURFACE TREATMENT | OXIDE | | THREAD LOCATION | EXTERNAL AND | | INTERNAL | | THREAD SIZE | 2 1/4-32 AND | | 2-24 | | SCREW THREAD SERIES DESIGNATOR | UNS | | THREAD CLASS | 2A AND | | 2B | | THREAD PITCH DIAMETERS | 2.2284 TO 2.2326 INCHES AND | | 1.9729 TO 1.9797 INCHES | | THREAD LENGTH | 0.250 INCHES AND | | 0.841 INCHES | | THREAD DIRECTION | RIGHT-HAND | | ECCENTRIC CONSTRUCTION | NOT PROVIDED | | CHAMFER LOCATION | BOTH ENDS | | CHAMFER SIZE | 0.125 IN. BY 45 DEG AND 0.046 IN. BY 30 DEG | | DRIVE TYPE | SLOTTED DRIVE ON PERIPHERY | | ELEMENT SECURING METHOD | THREADED OUTSIDE DIAMETER | | OVERALL LENGTH | 3.290 INCHES NOMINAL | | OVERALL DIAMETER | 2.740 INCHES NOMINAL |
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