NSN 1240-00-913-7995
Part Details | OPTICAL ELEMENT RETAINER
1240-00-913-7995 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.
Alternate Parts: 8215944, 1240-00-913-7995, 00-913-7995, 1240009137995, 009137995
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
12 | JAN 01, 1960 | 00-913-7995 | 22451 ( RETAINER, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
SHOULDERED

Cross Reference | NSN 1240-00-913-7995
Part Number | Cage Code | Manufacturer |
---|---|---|
8215944 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1240-00-913-7995
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | SHOULDERED |
SHOULDER LENGTH | 0.313 INCHES NOMINAL |
TAPERED HOLE MINOR DIAMETER | 2.133 INCHES NOMINAL |
TAPER ANGLE IN DEG | 45.0 |
OVERALL LENGTH | 0.469 INCHES NOMINAL |
FLANGE DIAMETER | 2.875 INCHES NOMINAL |
SHOULDER THREAD SIZE | 2.750 IN.-32 UNS-2A |
DRIVE TYPE | SLOTTED |
HOLE OR SLOT QUANTITY | 4 |
WIDTH | 0.062 INCHES NOMINAL |
DEPTH | 0.047 INCHES NOMINAL |
DRIVE FACILITY ANGULAR SPACING IN DEG | 90.0 |
INTERNAL ANNULAR SERRATION | NOT PROVIDED |
SETSCREW NOTCH | NOT PROVIDED |