NSN 1240-01-215-9761

Part Details | OPTICAL ELEMENT RETAINER

1240-01-215-9761 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: 7660442, 1240-01-215-9761, 01-215-9761, 1240012159761, 012159761

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12SEP 04, 198501-215-976122451 ( RETAINER, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES

RECESSED

Cross Reference | NSN 1240-01-215-9761
Part Number Cage Code Manufacturer
766044219200US ARMY ARDEC RDECOM
Technical Data | NSN 1240-01-215-9761
Characteristic Specifications
STYLE DESIGNATOR RECESSED
HOLE DIAMETER0.660 INCHES NOMINAL
OVERALL LENGTH0.750 INCHES NOMINAL
RECESS DIAMETER0.800 INCHES NOMINAL
RECESS DEPTH0.310 INCHES NOMINAL
THREAD SIZE0.900 IN.-48
HOLE CHAMFER ANGLE IN DEG45.0
HOLE CHAMFER DIAMETER0.010 INCHES NOMINAL
MATERIAL ALUMINUM ALLOY
INTERNAL ANNULAR SERRATION NOT PROVIDED
GUIDE DESIGN THREAD CHAMFER
SETSCREW NOTCH NOT PROVIDED
END ITEM IDENTIFICATIONGOES ON PAN TEL