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National Stock Number:
1240-01-045-2066
Federal Supply Class:
1240
National Item Identification Number:
010452066
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:
| 8626448 | 11934 | SEILER INSTRUMENT AND MANUFACTURING COMPANY, INCORPORATED | | 8626448 | 19200 | US ARMY ARDEC RDECOM | | 8626448 | 2S308 | FREEHOLD MANUFACTURING ASSEMBLY COMPANY, INC. |
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Techincal Specification:
| DEPTH | 0.045 INCHES NOMINAL | | DRIVE FACILITY ANGULAR SPACING IN DEG | 180.0 | | DRIVE TYPE | SLOTTED | | GUIDE DESIGN | THREAD RELIEF | | HOLE DIAMETER | 1.890 INCHES NOMINAL | | HOLE OR SLOT QUANTITY | 1 | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | MATERIAL DOCUMENT AND CLASSIFICATION | WW-T-700/6, ALLOY 6061 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 6061 | | OVERALL LENGTH | 0.120 INCHES NOMINAL | | SETSCREW NOTCH | NOT PROVIDED | | THREAD SIZE | 2.125 IN.-32 | | WIDTH | 0.055 INCHES NOMINAL |
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