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)
12JAN 01, 196000-913-799522451 ( RETAINER, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES

SHOULDERED

Cross Reference | NSN 1240-00-913-7995
Part Number Cage Code Manufacturer
821594419200US ARMY ARDEC RDECOM
Technical Data | NSN 1240-00-913-7995
Characteristic Specifications
STYLE DESIGNATOR SHOULDERED
SHOULDER LENGTH0.313 INCHES NOMINAL
TAPERED HOLE MINOR DIAMETER2.133 INCHES NOMINAL
TAPER ANGLE IN DEG45.0
OVERALL LENGTH0.469 INCHES NOMINAL
FLANGE DIAMETER2.875 INCHES NOMINAL
SHOULDER THREAD SIZE2.750 IN.-32 UNS-2A
DRIVE TYPE SLOTTED
HOLE OR SLOT QUANTITY4
WIDTH0.062 INCHES NOMINAL
DEPTH0.047 INCHES NOMINAL
DRIVE FACILITY ANGULAR SPACING IN DEG90.0
INTERNAL ANNULAR SERRATION NOT PROVIDED
SETSCREW NOTCH NOT PROVIDED