NSN 1240-00-994-9200

Part Details | OPTICAL ELEMENT RETAINER

1240-00-994-9200 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: 8619885, 8619885, 8619885, 8619885, 8619885, 1240-00-994-9200, 00-994-9200, 1240009949200, 009949200

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12JAN 01, 196200-994-920022451 ( RETAINER, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES

RECESSED

Cross Reference | NSN 1240-00-994-9200
Part Number Cage Code Manufacturer
861988505584AUTODYNE MANUFACTURING CO., INC.
86198852S308FREEHOLD MANUFACTURING ASSEMBLY COINC
861988527777L3 TECHNOLOGIES, INC.DBA INSIGHT TECHNOLOGY DIVISION
861988511934SEILER INSTRUMENT AND MANUFACTURINGCOMPANY, INCORPORATED
861988519200US ARMY ARDEC RDECOM
Technical Data | NSN 1240-00-994-9200
Characteristic Specifications
STYLE DESIGNATOR RECESSED
HOLE DIAMETER1.469 INCHES MINIMUM AND 1.470 INCHES MAXIMUM
OVERALL LENGTH0.234 INCHES NOMINAL
RECESS DIAMETER1.640 INCHES MINIMUM AND 1.645 INCHES MAXIMUM
RECESS DEPTH0.1406 INCHES NOMINAL
THREAD SIZE1.7188 IN.-32 INS-3A
COUNTERBORE TAPER ANGLE IN DEG63.0
HOLE CHAMFER ANGLE IN DEG45.0
SURFACE TREATMENT ENAMEL
DRIVE TYPE SLOTTED
HOLE OR SLOT QUANTITY2
WIDTH0.031 INCHES NOMINAL
DEPTH0.031 INCHES NOMINAL
DRIVE FACILITY ANGULAR SPACING IN DEG180.0
INTERNAL ANNULAR SERRATION NOT PROVIDED
SETSCREW NOTCH NOT PROVIDED
FSC APPLICATION DATAPERISCOPE,INTEGRATED WITH FIRE CONTROL EQUIPMENT