|
|
|
National Stock Number:
1240-01-204-5983
Federal Supply Class:
1240
National Item Identification Number:
012045983
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:
| 8587344 | 19200 | US ARMY ARDEC RDECOM |
|
Techincal Specification:
| GUIDE DESIGN | THREAD CHAMFER | | HOLE DIAMETER | 0.740 INCHES NOMINAL | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | OVERALL LENGTH | 0.180 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 2024 | | SETSCREW NOTCH | NOT PROVIDED | | THREAD SIZE | 0.906 IN.-32 |
|
|