NSN 1240-01-031-7276

Part Details | OPTICAL ELEMENT RETAINER

1240-01-031-7276 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: 11746444, 1240-01-031-7276, 01-031-7276, 1240010317276, 010317276

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12DEC 01, 197601-031-727622451 ( RETAINER, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES

RECESSED

Cross Reference | NSN 1240-01-031-7276
Part Number Cage Code Manufacturer
1174644419200US ARMY ARDEC RDECOM
Technical Data | NSN 1240-01-031-7276
Characteristic Specifications
STYLE DESIGNATOR RECESSED
HOLE DIAMETER1.125 INCHES MINIMUM AND 1.135 INCHES MAXIMUM
OVERALL LENGTH0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM
THREAD SIZE1.312 IN.-32
MATERIAL DOCUMENT AND CLASSIFICATIONAWW-T-700 TO 3, T3$AWW-T-700 TO 6, ALLOY 6061$AQQ-A-200 TO 8$AQQ-A-200 TO 3 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) 1ST MATERIAL RESPONSE
MATERIAL4$DAL6061$DAL6062
INTERNAL ANNULAR SERRATION NOT PROVIDED
SETSCREW NOTCH NOT PROVIDED