|
|
|
National Stock Number:
1240-01-333-0257
Federal Supply Class:
1240
National Item Identification Number:
013330257
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:
| 13230992-2 | 04939 | LOCKHEED MARTIN CORPORATION | | 13230992-2 | 58260 | PROGRAM MANAGER ADVANCED ATTACK HELICOPTER BARCOM AMCPM-AAH |
|
Techincal Specification:
| DRIVE FACILITY ANGULAR SPACING IN DEG | 90.0 | | DRIVE TYPE | SLOTTED | | GUIDE DESIGN | THREAD CHAMFER | | GUIDE LOCATION | EDGE OPPOSITE DRIVE EDGE | | HOLE CHAMFER ANGLE IN DEG | 23.25 | | HOLE CHAMFER DIAMETER | 1.255 INCHES MINIMUM AND 1.260 INCHES MAXIMUM | | HOLE DIAMETER | 1.095 INCHES MINIMUM AND 1.105 INCHES MAXIMUM | | HOLE OR SLOT QUANTITY | 4 | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | OVERALL LENGTH | 0.235 INCHES MINIMUM AND 0.245 INCHES MAXIMUM | | MATERIAL | STEEL CORROSION RESISTING | | RECESS DIAMETER | 1.095 INCHES MINIMUM AND 1.105 INCHES MAXIMUM | | SETSCREW NOTCH | NOT PROVIDED | | STYLE DESIGNATOR | RECESSED | | WIDTH | 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM | | SURFACE TREATMENT | ANODIZE | | THREAD SIZE | 1 5/16-32 |
|
|