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National Stock Number:
6650-01-142-7673
Federal Supply Class:
6650
National Item Identification Number:
011427673
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:
| 13047828 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 13047828 | 34313 | L & P MACHINE INCORPORATED |
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Techincal Specification:
| GUIDE DESIGN | THREAD CHAMFER | | HOLE DIAMETER | 1.000 INCHES NOMINAL | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | MATERIAL | STEEL CORROSION RESISTING | | OVERALL LENGTH | 0.250 INCHES NOMINAL | | SETSCREW NOTCH | NOT PROVIDED | | TEST DATA DOCUMENT | 18876-13047828 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
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