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National Stock Number:
6650-01-100-9964
Federal Supply Class:
6650
National Item Identification Number:
011009964
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:
| 11584711 | 19206 | ARMY, UNITED STATES DEPARTMENT OF THE BUSINESS DEVELOPMENT DBA WATERVLIET ARSENAL |
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Techincal Specification:
| GUIDE DESIGN | THREAD RELIEF | | HOLE DIAMETER | 1.000 INCHES MINIMUM AND 1.010 INCHES MAXIMUM | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | OVERALL LENGTH | 2.950 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY 6061 | | RECESS DEPTH | 0.130 INCHES NOMINAL | | RECESS DIAMETER | 1.100 INCHES MINIMUM AND 1.102 INCHES MAXIMUM | | SETSCREW NOTCH | PROVIDED | | STYLE DESIGNATOR | RECESSED | | THREAD SIZE | 1.312-20UN |
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