NSN 6650-01-444-8023

Part Details | OPTICAL ELEMENT RETAINER

6650-01-444-8023 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: 10554962, 10554962, 6650-01-444-8023, 01-444-8023, 6650014448023, 014448023

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66MAY 16, 199701-444-802322451 ( RETAINER, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES

RECESSED

Cross Reference | NSN 6650-01-444-8023
Part Number Cage Code Manufacturer
1055496211934SEILER INSTRUMENT AND MANUFACTURINGCOMPANY, INCORPORATED
1055496219200US ARMY ARDEC RDECOM
Technical Data | NSN 6650-01-444-8023
Characteristic Specifications
STYLE DESIGNATOR RECESSED
HOLE DIAMETER3.230 INCHES NOMINAL
OVERALL LENGTH0.150 INCHES NOMINAL
RECESS DIAMETER3.500 INCHES NOMINAL
RECESS DEPTH0.140 INCHES NOMINAL
COUNTERBORE TAPER ANGLE IN DEG30.0
HOLE CHAMFER ANGLE IN DEG90.0
HOLE CHAMFER DIAMETER3.230 INCHES NOMINAL
MATERIAL ALUMINUM ALLOY
HOLE OR SLOT QUANTITY2
DIAMETER3.625 INCHES NOMINAL
INTERNAL ANNULAR SERRATION NOT PROVIDED
GUIDE DESIGN THREAD RELIEF
SETSCREW NOTCH NOT PROVIDED