NSN 1240-01-073-5910

Part Details | OPTICAL ELEMENT RETAINER

1240-01-073-5910 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: 11507566, 11507566, 11507566, 1240-01-073-5910, 01-073-5910, 1240010735910, 010735910

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12MAR 17, 197901-073-591022451 ( RETAINER, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES

RECESSED

Cross Reference | NSN 1240-01-073-5910
Part Number Cage Code Manufacturer
1150756682577RAYTHEON COMPANYDBA RAYTHEON
1150756618876U S ARMY AVIATION AND MISSILECOMMAND
1150756626772WEGO PRECISION MACHINE, INC.
Technical Data | NSN 1240-01-073-5910
Characteristic Specifications
STYLE DESIGNATOR RECESSED
HOLE DIAMETER0.270 INCHES MINIMUM AND 0.275 INCHES MAXIMUM
OVERALL LENGTH0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
RECESS DIAMETER0.270 INCHES MINIMUM AND 0.275 INCHES MAXIMUM
RECESS DEPTH0.025 INCHES MINIMUM AND 0.035 INCHES MAXIMUM
THREAD SIZE0.375 IN.-32
HOLE CHAMFER ANGLE IN DEG0.0
HOLE CHAMFER DIAMETER0.270 INCHES MINIMUM AND 0.275 INCHES MAXIMUM
MATERIAL STEEL CORROSION RESISTING
DRIVE TYPE SLOTTED
HOLE OR SLOT QUANTITY4
WIDTH0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM
DEPTH0.025 INCHES MINIMUM AND 0.035 INCHES MAXIMUM
DRIVE FACILITY ANGULAR SPACING IN DEG90.0
INTERNAL ANNULAR SERRATION NOT PROVIDED
GUIDE DESIGN THREAD RELIEF
GUIDE LOCATION EDGE OPPOSITE DRIVE EDGE
SETSCREW NOTCH NOT PROVIDED