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National Stock Number:
1240-01-131-5320
Federal Supply Class:
1240
National Item Identification Number:
011315320
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:
| 12309689 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| STYLE DESIGNATOR | SHOULDERED | | SHOULDER LENGTH | 0.300 INCHES MINIMUM AND | | 0.310 INCHES MAXIMUM | | HOLE DIAMETER | 1.500 INCHES MINIMUM AND | | 1.510 INCHES MAXIMUM | | OVERALL LENGTH | 0.350 INCHES MINIMUM AND | | 0.360 INCHES MAXIMUM | | FLANGE DIAMETER | 2.000 INCHES NOMINAL | | SHOULDER THREAD SIZE | 1.B75IN-32 UNS-2A | | MATERIAL | ALUMINUM ALLOY 2011 AND | | ALUMINUM ALLOY 2024 AND | | ALUMINUM ALLOY 6061 | | DRIVE TYPE | DRILLED HOLE | | HOLE OR SLOT QUANTITY | 1 | | DIAMETER | 0.078 INCHES NOMINAL | | DEPTH | 0.360 INCHES NOMINAL | | RADIUS FROM GEOMETRIC AXIS TO HOLE CENTER | 0.834 INCHES NOMINAL | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | GUIDE DESIGN | THREAD RELIEF | | GUIDE LOCATION | SHOULDER | | SETSCREW NOTCH | NOT PROVIDED | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 19207 | | DESIGN CONTROL REFERENCE | 12309689 |
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