NSN 5855-01-165-2158

Part Details | OPTICAL ELEMENT RETAINER

5855-01-165-2158 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: SMC850160, SM-C-850160, SMC850160, SM-C-850160, SMC850160, SM-C-850160, SMC850160, SM-C-850160, 5855-01-165-2158, 01-165-2158, 5855011652158, 011652158

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
58OCT 27, 198301-165-215822451 ( RETAINER, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES

RECESSED

RETAINER,OPTICAL EL | 5855-01-165-2158, 011652158
Cross Reference | NSN 5855-01-165-2158
Part Number Cage Code Manufacturer
SM-C-8501601XEP3CARSON INDUSTRIES, INC.
SM-C-85016052808DUNLIN MANUFACTURING / SKYPENINDUSTRIES INC
SM-C-8501602S308FREEHOLD MANUFACTURING ASSEMBLY COINC
SM-C-85016080063US ARMY COMMUNICATIONS &ELECTRONICS MATERIEL READINESS
Technical Data | NSN 5855-01-165-2158
Characteristic Specifications
STYLE DESIGNATOR RECESSED
HOLE DIAMETER1.300 INCHES NOMINAL
OVERALL LENGTH0.140 INCHES NOMINAL
RECESS DIAMETER1.300 INCHES NOMINAL
RECESS DEPTH0.070 INCHES NOMINAL
HOLE CHAMFER ANGLE IN DEG45.0
HOLE CHAMFER DIAMETER1.300 INCHES NOMINAL
MATERIAL ALUMINUM ALLOY 6061 AND ALUMINUM ALLOY 6061
HOLE OR SLOT QUANTITY4
DIAMETER1.580 INCHES NOMINAL
INTERNAL ANNULAR SERRATION NOT PROVIDED
GUIDE DESIGN THREAD CHAMFER
SETSCREW NOTCH NOT PROVIDED
SPECIAL TEST FEATURESINTERPRET DRAWING IAW STANDARDS PRESCRIBED BY MIL-D-1000
FSC APPLICATION DATANIGHT VISION EQUIPMENT,EMITTED AND REFLECTED RADIATION