NSN 1240-01-173-9839

Part Details | OPTICAL ELEMENT RETAINER

1240-01-173-9839 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: 82A5027A1529, 82A5027A1529, 82A5027A1529, 1240-01-173-9839, 01-173-9839, 1240011739839, 011739839

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12MAR 13, 198401-173-983922451 ( RETAINER, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES

RECESSED

Cross Reference | NSN 1240-01-173-9839
Part Number Cage Code Manufacturer
82A5027A152927777L3 TECHNOLOGIES, INC.DBA INSIGHT TECHNOLOGY DIVISION
82A5027A152901365MARINE CORPS LOGISTICS COMMANDTECHNICAL DATA REPOSITORY
82A5027A152911934SEILER INSTRUMENT AND MANUFACTURINGCOMPANY, INCORPORATED
Technical Data | NSN 1240-01-173-9839
Characteristic Specifications
STYLE DESIGNATOR RECESSED
OVERALL LENGTH3.2 MILLIMETERS NOMINAL
RECESS DIAMETER35.8 MILLIMETERS NOMINAL
RECESS DEPTH2.9 MILLIMETERS NOMINAL
THREAD SIZE1.687 IN.-32
MATERIAL DOCUMENT AND CLASSIFICATIONWW-T-700 TO 6, T6, TYPE 1 FED SPEC SINGLE MATERIAL RESPONSE
MATERIAL ALUMINUM ALLOY 6061
DRIVE TYPE DRILLED HOLE
HOLE OR SLOT QUANTITY1