NSN 6650-01-304-4254

Part Details | OPTICAL ELEMENT RETAINER

6650-01-304-4254 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: 19797711, 1979771-1, 6650-01-304-4254, 01-304-4254, 6650013044254, 013044254

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JUL 18, 198901-304-425422451 ( RETAINER, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES

SHOULDERED

Cross Reference | NSN 6650-01-304-4254
Part Number Cage Code Manufacturer
1979771-196214RAYTHEON COMPANYDBA RAYTHEON
Technical Data | NSN 6650-01-304-4254
Characteristic Specifications
STYLE DESIGNATOR SHOULDERED
SHOULDER DIAMETER4.700 INCHES NOMINAL
SHOULDER LENGTH2.822 INCHES NOMINAL
TAPERED HOLE MINOR DIAMETER3.100 INCHES NOMINAL
TAPER ANGLE IN DEG19.0
OVERALL LENGTH4.950 INCHES NOMINAL
FLANGE THREAD SIZE5.750 IN.-16
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225 TO 8, T651 FED SPEC SINGLE MATERIAL RESPONSE
MATERIAL ALUMINUM ALLOY 6061
INTERNAL ANNULAR SERRATION NOT PROVIDED
GUIDE DESIGN THREAD CHAMFER
SETSCREW NOTCH NOT PROVIDED