|
|
|
National Stock Number:
6650-00-409-8045
Federal Supply Class:
6650
National Item Identification Number:
004098045
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.
|
Manufacturer Information:
| 10682558 | 02734 | LOCKHEED MARTIN CORPORATION | | 10682558 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
|
Techincal Specification:
| DRIVE TYPE | SLOTTED | | HOLE CHAMFER ANGLE IN DEG | 30.0 | | HOLE DIAMETER | 0.410 INCHES NOMINAL | | HOLE OR SLOT QUANTITY | 2 | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | MATERIAL | ALUMINUM ALLOY | | OVERALL LENGTH | 0.250 INCHES NOMINAL | | SETSCREW NOTCH | NOT PROVIDED | | STYLE DESIGNATOR | RECESSED | | THREAD SIZE | 0.625 IN.-40 UN | | WIDTH | 0.050 INCHES NOMINAL |
|
|