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National Stock Number:
1240-01-078-8280
Federal Supply Class:
1240
National Item Identification Number:
010788280
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:
| 12266634 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 12266634 | 20418 | DRS SUSTAINMENT SYSTEMS, INC. USE CAGE CODE 98255 FOR CATALOGING |
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Techincal Specification:
| GUIDE DESIGN | THREAD RELIEF | | GUIDE LOCATION | BOTH EDGES | | HOLE CHAMFER ANGLE IN DEG | 45.0 | | HOLE CHAMFER DIAMETER | 3.245 INCHES MINIMUM AND 3.255 INCHES MAXIMUM | | HOLE DIAMETER | 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | OVERALL LENGTH | 0.477 INCHES MINIMUM AND 0.487 INCHES MAXIMUM | | MATERIAL | ALUMINUM ALLOY 6061 | | RECESS DIAMETER | 3.060 INCHES MINIMUM AND 3.070 INCHES MAXIMUM | | RECESS DEPTH | 0.053 INCHES MINIMUM AND 0.063 INCHES MAXIMUM | | SETSCREW NOTCH | NOT PROVIDED | | STYLE DESIGNATOR | RECESSED | | THREAD SIZE | B3.000 IN.-32 |
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