|
|
|
National Stock Number:
6650-00-457-0445
Federal Supply Class:
6650
National Item Identification Number:
004570445
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:
| 10045008 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 10188964 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 10188964 | 23364 | CLA-BAR INDUSTRIES |
|
Techincal Specification:
| DEPTH | 0.062 INCHES NOMINAL | | DIAMETER | 0.062 INCHES NOMINAL | | DRIVE TYPE | DRILLED HOLE | | HOLE CHAMFER DIAMETER | 3.189 INCHES MINIMUM AND 3.194 INCHES MAXIMUM | | HOLE DIAMETER | 3.030 INCHES MINIMUM AND 3.035 INCHES MAXIMUM | | HOLE OR SLOT QUANTITY | 2 | | MATERIAL | ALUMINUM ALLOY | | RECESS DIAMETER | 3.210 INCHES MINIMUM AND 3.215 INCHES MAXIMUM |
|
|