NSN 5855-01-257-2636

Part Details | OPTICAL ELEMENT RETAINER

5855-01-257-2636 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: 20015881, 2001588-1, 5855-01-257-2636, 01-257-2636, 5855012572636, 012572636

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
58JUN 16, 198701-257-263622451 ( RETAINER, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES

SHOULDERED

RETAINER,OPTICAL EL | 5855-01-257-2636, 012572636
Cross Reference | NSN 5855-01-257-2636
Part Number Cage Code Manufacturer
2001588-196214RAYTHEON COMPANYDBA RAYTHEON
Technical Data | NSN 5855-01-257-2636
Characteristic Specifications
STYLE DESIGNATOR SHOULDERED
SHOULDER DIAMETER0.624 INCHES NOMINAL
SHOULDER LENGTH0.670 INCHES NOMINAL
HOLE DIAMETER0.563 INCHES NOMINAL
OVERALL LENGTH0.850 INCHES NOMINAL
FLANGE DIAMETER1.150 INCHES NOMINAL
MATERIAL ALUMINUM ALLOY 6061
INTERNAL ANNULAR SERRATION NOT PROVIDED
GUIDE DESIGN THREAD RELIEF
SETSCREW NOTCH NOT PROVIDED
END ITEM IDENTIFICATIONDETECTING SET,INFRARED; AN/AAQ-15