NSN 1240-00-542-8649

Part Details | OPTICAL ELEMENT RETAINER

1240-00-542-8649 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: 7101283, 710-1283, 1240-00-542-8649, 00-542-8649, 1240005428649, 005428649

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12OCT 02, 197400-542-864922451 ( RETAINER, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-542-8649
Part Number Cage Code Manufacturer
710-128316735CORNING OCA CORP
Technical Data | NSN 1240-00-542-8649
Characteristic Specifications
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225 TO 6, T4 FED SPEC SINGLE MATERIAL RESPONSE
MATERIAL ALUMINUM ALLOY 2024
SURFACE TREATMENT ANODIZE
DRIVE TYPE SLOTTED
HOLE OR SLOT QUANTITY2
DIAMETER0.062 INCHES NOMINAL
DEPTH0.040 INCHES NOMINAL
DRIVE FACILITY ANGULAR SPACING IN DEG180.0
GUIDE LOCATION BOTH EDGES