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National Stock Number:
1240-01-062-0815
Federal Supply Class:
1240
National Item Identification Number:
010620815
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:
| 12266752 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 12266752 | 20418 | DRS SUSTAINMENT SYSTEMS, INC. USE CAGE CODE 98255 FOR CATALOGING | | 42075 | 93706 | RECON/OPTICAL, INC. DBA PACIFIC OPTICAL |
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Techincal Specification:
| GUIDE DESIGN | THREAD RELIEF | | HOLE DIAMETER | 2.887 INCHES MINIMUM AND 2.903 INCHES MAXIMUM | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | OVERALL LENGTH | 0.125 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY 6061 | | RECESS DEPTH | 0.070 INCHES NOMINAL | | RECESS DIAMETER | 3.080 INCHES MINIMUM AND 3.085 INCHES MAXIMUM | | SETSCREW NOTCH | NOT PROVIDED | | STYLE DESIGNATOR | RECESSED | | THREAD SIZE | 3.250 IN.-32 |
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