|
|
|
National Stock Number:
1240-01-319-5863
Federal Supply Class:
1240
National Item Identification Number:
013195863
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:
| 13077322-501 | 04939 | LOCKHEED MARTIN CORPORATION | | 13077322-501 | 58260 | PROGRAM MANAGER ADVANCED ATTACK HELICOPTER BARCOM AMCPM-AAH |
|
Techincal Specification:
| GUIDE DESIGN | THREAD CHAMFER | | GUIDE LOCATION | BOTH EDGES | | HOLE CHAMFER ANGLE IN DEG | 15.0 | | HOLE CHAMFER DIAMETER | 3.010 INCHES MINIMUM AND 3.030 INCHES MAXIMUM | | HOLE DIAMETER | 2.990 INCHES MINIMUM AND 3.010 INCHES MAXIMUM | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | OVERALL LENGTH | 0.100 INCHES MINIMUM AND 0.120 INCHES MAXIMUM | | MATERIAL | ALUMINUM ALLOY 6061 | | RECESS DEPTH | 0.008 INCHES MINIMUM AND 0.028 INCHES MAXIMUM | | RECESS DIAMETER | 3.180 INCHES MINIMUM AND 3.186 INCHES MAXIMUM | | SETSCREW NOTCH | NOT PROVIDED | | STYLE DESIGNATOR | RECESSED | | THREAD SIZE | 3.1875 IN.-32 |
|
|