NSN 6650-01-271-7351

Part Details | OPTICAL ELEMENT RETAINER

6650-01-271-7351 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: 13281208, 13281208, 6650-01-271-7351, 01-271-7351, 6650012717351, 012717351

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JAN 29, 198801-271-735122451 ( RETAINER, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES

RECESSED

Cross Reference | NSN 6650-01-271-7351
Part Number Cage Code Manufacturer
132812083V055ANCO MACHINE CODBA ANCO MACHINE CO
1328120818876U S ARMY AVIATION AND MISSILECOMMAND
Technical Data | NSN 6650-01-271-7351
Characteristic Specifications
STYLE DESIGNATOR RECESSED
HOLE DIAMETER0.230 INCHES MINIMUM AND 0.235 INCHES MAXIMUM
OVERALL LENGTH0.371 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
RECESS ANGLE IN DEG30.0
RECESS DEPTH0.145 INCHES MINIMUM AND 0.155 INCHES MAXIMUM
THREAD SIZE0.562-32 UN-2A
HOLE CHAMFER ANGLE IN DEG30.0
HOLE CHAMFER DIAMETER0.432 INCHES MINIMUM AND 0.436 INCHES MAXIMUM
MATERIAL STEEL COMP 416
INTERNAL ANNULAR SERRATION NOT PROVIDED
GUIDE DESIGN THREAD CHAMFER
SETSCREW NOTCH NOT PROVIDED
TEST DATA DOCUMENT18876-13281208 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
END ITEM IDENTIFICATION1440-01-269-5849