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National Stock Number:
1240-00-504-8600
Federal Supply Class:
1240
National Item Identification Number:
005048600
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:
| 5048600 | 19200 | US ARMY ARDEC RDECOM | | 5048600 | 2S308 | FREEHOLD MANUFACTURING ASSEMBLY COMPANY, INC. |
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Techincal Specification:
| DRIVE FACILITY ANGULAR SPACING IN DEG | 180.0 | | DRIVE TYPE | DRILLED HOLE | | FLANGE DIAMETER | 1.640 INCHES NOMINAL | | FSC APPLICATION DATA | TELESCOPE | | GUIDE DESIGN | THREAD RELIEF | | GUIDE LOCATION | EDGE OPPOSITE DRIVE EDGE | | HOLE DIAMETER | 1.200 INCHES NOMINAL | | HOLE OR SLOT QUANTITY | 2 | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | OVERALL LENGTH | 0.140 INCHES NOMINAL | | MATERIAL | COPPER ALLOY 360 | | SETSCREW NOTCH | PROVIDED | | SHOULDER LENGTH | 0.100 INCHES NOMINAL | | SHOULDER THREAD SIZE | 1.530 IN.-36 | | STYLE DESIGNATOR | SHOULDERED |
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