NSN 1240-01-215-9761
Part Details | OPTICAL ELEMENT RETAINER
1240-01-215-9761 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: 7660442, 1240-01-215-9761, 01-215-9761, 1240012159761, 012159761
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
12 | SEP 04, 1985 | 01-215-9761 | 22451 ( RETAINER, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
RECESSED

Cross Reference | NSN 1240-01-215-9761
Part Number | Cage Code | Manufacturer |
---|---|---|
7660442 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1240-01-215-9761
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | RECESSED |
HOLE DIAMETER | 0.660 INCHES NOMINAL |
OVERALL LENGTH | 0.750 INCHES NOMINAL |
RECESS DIAMETER | 0.800 INCHES NOMINAL |
RECESS DEPTH | 0.310 INCHES NOMINAL |
THREAD SIZE | 0.900 IN.-48 |
HOLE CHAMFER ANGLE IN DEG | 45.0 |
HOLE CHAMFER DIAMETER | 0.010 INCHES NOMINAL |
MATERIAL | ALUMINUM ALLOY |
INTERNAL ANNULAR SERRATION | NOT PROVIDED |
GUIDE DESIGN | THREAD CHAMFER |
SETSCREW NOTCH | NOT PROVIDED |
END ITEM IDENTIFICATION | GOES ON PAN TEL |