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National Stock Number:
1240-01-050-4810
Federal Supply Class:
1240
National Item Identification Number:
010504810
Description:
RETAINER,OPTICAL ELEMENT
Detail:
A cylindrical, externally threaded item having a centrally located hole specifically designed to retain by means of either a raised box (shoulder), or counterbore, countersink, or a similar shaped recess, an optical element such as a lens, reticle, cell, and the like, in optical assemblies. It must have drilled holes or slots to facilitate assembly and disassembly. For items which house the optical element(s), and form the internal or central portions of an optical system, see CELL, OPTICAL ELEMENT. Excludes RING, EXTERNALLY THREADED.
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Manufacturer Information:
| 12266637 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 12266637 | 20418 | DRS SUSTAINMENT SYSTEMS, INC. USE CAGE CODE 98255 FOR CATALOGING | | 6558-262 | 11871 | RECON/OPTICAL, INC. |
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Techincal Specification:
| DEPTH | 0.150 INCHES NOMINAL | | DIAMETER | 0.147 INCHES NOMINAL | | DRIVE TYPE | DRILLED HOLE | | DRIVE FACILITY ANGULAR SPACING IN DEG | 45.0 | | FLANGE DIAMETER | 4.930 INCHES NOMINAL | | GUIDE DESIGN | THREAD CHAMFER | | GUIDE LOCATION | DRIVE EDGE | | HOLE DIAMETER | 3.490 INCHES NOMINAL | | HOLE OR SLOT QUANTITY | 8 | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | MATERIAL | ALUMINUM ALLOY 6061 | | OVERALL LENGTH | 1.484 INCHES NOMINAL | | SETSCREW NOTCH | NOT PROVIDED | | SHOULDER THREAD SIZE | 4.000IN.-6 | | SHOULDER LENGTH | 1.034 INCHES NOMINAL | | STYLE DESIGNATOR | SHOULDERED |
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