NSN 1240-01-046-8377

Part Details | OPTICAL ELEMENT RETAINER

1240-01-046-8377 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: 11741208, 11741208, 1240-01-046-8377, 01-046-8377, 1240010468377, 010468377

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12AUG 25, 197701-046-837722451 ( RETAINER, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES

RECESSED

Cross Reference | NSN 1240-01-046-8377
Part Number Cage Code Manufacturer
1174120863470C CROUTHAMEL & CO INC
1174120819200US ARMY ARDEC RDECOM
Technical Data | NSN 1240-01-046-8377
Characteristic Specifications
STYLE DESIGNATOR RECESSED
HOLE DIAMETER0.710 INCHES MINIMUM AND 0.720 INCHES MAXIMUM
OVERALL LENGTH0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM
THREAD SIZE0.9375 IN.-32
HOLE CHAMFER ANGLE IN DEG45.0
DRIVE TYPE SLOTTED
HOLE OR SLOT QUANTITY1
WIDTH0.065 INCHES NOMINAL
DEPTH0.045 INCHES NOMINAL
INTERNAL ANNULAR SERRATION NOT PROVIDED
GUIDE DESIGN THREAD CHAMFER
GUIDE LOCATION BOTH EDGES
SETSCREW NOTCH NOT PROVIDED