NSN 1240-00-130-9539

Part Details | OPTICAL ELEMENT RETAINER

1240-00-130-9539 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: 164106PC8, 1240-00-130-9539, 00-130-9539, 1240001309539, 001309539

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12JAN 01, 196300-130-953922451 ( RETAINER, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES

RECESSED

Cross Reference | NSN 1240-00-130-9539
Part Number Cage Code Manufacturer
164106PC810001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 1240-00-130-9539
Characteristic Specifications
STYLE DESIGNATOR RECESSED
HOLE DIAMETER0.625 INCHES NOMINAL
OVERALL LENGTH0.180 INCHES NOMINAL
RECESS ANGLE IN DEG45.0
RECESS DEPTH0.100 INCHES NOMINAL
THREAD SIZE0.750 IN.-16
HOLE CHAMFER ANGLE IN DEG0.0
HOLE CHAMFER DIAMETER0.625 INCHES NOMINAL
MATERIAL COPPER ALLOY
DRIVE TYPE SLOTTED
HOLE OR SLOT QUANTITY2
WIDTH0.060 INCHES NOMINAL
DEPTH0.040 INCHES NOMINAL
DRIVE FACILITY ANGULAR SPACING IN DEG180.0
INTERNAL ANNULAR SERRATION NOT PROVIDED
GUIDE DESIGN THREAD CHAMFER
SETSCREW NOTCH NOT PROVIDED
END ITEM IDENTIFICATIONTELESCOPE MK50