NSN 5855-00-010-5156

Part Details | OPTICAL ELEMENT RETAINER

5855-00-010-5156 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: SCD599157, SC-D-599157, 5855-00-010-5156, 00-010-5156, 5855000105156, 000105156

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
58NOV 01, 196700-010-515622451 ( RETAINER, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES

RECESSED

RETAINER,OPTICAL EL | 5855-00-010-5156, 000105156
Cross Reference | NSN 5855-00-010-5156
Part Number Cage Code Manufacturer
SC-D-59915780063US ARMY COMMUNICATIONS &ELECTRONICS MATERIEL READINESS
Technical Data | NSN 5855-00-010-5156
Characteristic Specifications
STYLE DESIGNATOR RECESSED
HOLE DIAMETER2.010 INCHES MINIMUM AND 2.025 INCHES MAXIMUM
OVERALL LENGTH2.611 INCHES NOMINAL
RECESS DIAMETER2.722 INCHES MINIMUM AND 2.724 INCHES MAXIMUM
RECESS DEPTH1.680 INCHES NOMINAL
THREAD SIZE2.875 IN.-16
HOLE CHAMFER ANGLE IN DEG30.0
HOLE CHAMFER DIAMETER1.829 INCHES MINIMUM AND 1.876 INCHES MAXIMUM
MATERIAL ALUMINUM ALLOY
DRIVE TYPE DRILLED HOLE
HOLE OR SLOT QUANTITY6
WIDTH3.540 INCHES MINIMUM AND 3.555 INCHES MAXIMUM
DEPTH0.080 INCHES NOMINAL
DRIVE FACILITY ANGULAR SPACING IN DEG60.0
RADIUS FROM GEOMETRIC AXIS TO HOLE CENTER1.645 INCHES NOMINAL
INTERNAL ANNULAR SERRATION NOT PROVIDED
GUIDE DESIGN THREAD RELIEF
SETSCREW NOTCH NOT PROVIDED
SPECIAL TEST FEATURESINTERPRET DRAWING IAW MIL-D-1000; PART IAW MIL-STD-130
SUPPLEMENTARY FEATURESMAKE FROM MATERIAL DESCRIBED ON DRAWING SC-D-599183
FSC APPLICATION DATANIGHT VISION EQUIPMENT.