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National Stock Number:
1240-00-620-3759
Federal Supply Class:
1240
National Item Identification Number:
006203759
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:
| 8200224 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 0.741 INCHES MINIMUM AND | | 0.746 INCHES MAXIMUM | | OVERALL LENGTH | 0.750 INCHES NOMINAL | | RECESS DIAMETER | 0.800 INCHES MINIMUM AND | | 0.805 INCHES MAXIMUM | | RECESS DEPTH | 0.661 INCHES NOMINAL | | THREAD SIZE | 1.062 IN.-32NS-2 | | HOLE CHAMFER ANGLE IN DEG | 45.0 | | HOLE CHAMFER DIAMETER | 0.865 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY 2024 | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | GUIDE DESIGN | THREAD CHAMFER | | GUIDE LOCATION | EDGE OPPOSITE DRIVE EDGE | | SETSCREW NOTCH | NOT PROVIDED | | SPECIAL FEATURES | EXTERNAL THREADED,RAISED PORTION ONLY 0.375 IN. OF OVERALL LENGTH | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 19200 | | DESIGN CONTROL REFERENCE | 8200224 |
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