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National Stock Number:
1240-00-963-0837
Federal Supply Class:
1240
National Item Identification Number:
009630837
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:
| 8626443 | 11934 | SEILER INSTRUMENT AND MANUFACTURING COMPANY, INCORPORATED | | 8626443 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| GUIDE DESIGN | THREAD CHAMFER | | GUIDE LOCATION | DRIVE EDGE | | HOLE DIAMETER | 2.187 INCHES NOMINAL | | INTERNAL ANNULAR SERRATION | PROVIDED | | OVERALL LENGTH | 1.500 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY 2024 | | RECESS DEPTH | 0.633 INCHES NOMINAL | | RECESS DIAMETER | 2.875 INCHES NOMINAL | | SETSCREW NOTCH | NOT PROVIDED | | STYLE DESIGNATOR | RECESSED |
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