NSN 1240-00-025-0252

Part Details | OPTICAL ELEMENT RETAINER

1240-00-025-0252 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: 511716PC7, 1240-00-025-0252, 00-025-0252, 1240000250252, 000250252

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12JAN 01, 196300-025-025222451 ( RETAINER, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES

SHOULDERED

Cross Reference | NSN 1240-00-025-0252
Part Number Cage Code Manufacturer
511716PC710001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 1240-00-025-0252
Characteristic Specifications
STYLE DESIGNATOR SHOULDERED
SHOULDER DIAMETER1.220 INCHES NOMINAL
SHOULDER LENGTH0.160 INCHES NOMINAL
HOLE DIAMETER1.145 INCHES NOMINAL
OVERALL LENGTH0.280 INCHES NOMINAL
FLANGE DIAMETER1.300 INCHES NOMINAL
DRIVE TYPE SLOTTED
HOLE OR SLOT QUANTITY3
DRIVE FACILITY ANGULAR SPACING IN DEG120.0
INTERNAL ANNULAR SERRATION NOT PROVIDED
GUIDE DESIGN THREAD CHAMFER
GUIDE LOCATION DRIVE EDGE
SETSCREW NOTCH NOT PROVIDED