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National Stock Number:
1240-01-195-1945
Federal Supply Class:
1240
National Item Identification Number:
011951945
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:
| 031537 | K6111 | QIOPTIQ LIMITED |
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Techincal Specification:
| DRIVE TYPE | DRILLED HOLE | | DIAMETER | 4.445 INCHES NOMINAL | | FLANGE DIAMETER | 3.720 INCHES NOMINAL | | GUIDE DESIGN | THREAD RELIEF | | GUIDE LOCATION | SHOULDER | | HOLE OR SLOT QUANTITY | 11 | | HOLE DIAMETER | 3.874 INCHES NOMINAL | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | OVERALL LENGTH | 0.205 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY 2024 | | SETSCREW NOTCH | NOT PROVIDED | | SHOULDER LENGTH | 0.085 INCHES NOMINAL | | SHOULDER DIAMETER | 3.525 INCHES NOMINAL | | STYLE DESIGNATOR | SHOULDERED |
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