NSN 1240-01-157-0763
Part Details | OPTICAL ELEMENT RETAINER
1240-01-157-0763 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: 8587415, 1240-01-157-0763, 01-157-0763, 1240011570763, 011570763
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
12 | JUN 29, 1983 | 01-157-0763 | 22451 ( RETAINER, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
RECESSED

Cross Reference | NSN 1240-01-157-0763
Part Number | Cage Code | Manufacturer |
---|---|---|
8587415 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1240-01-157-0763
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | RECESSED |
HOLE DIAMETER | 0.254 INCHES NOMINAL |
OVERALL LENGTH | 0.830 INCHES MINIMUM AND 0.850 INCHES MAXIMUM |
RECESS DIAMETER | 0.750 INCHES NOMINAL |
RECESS DEPTH | 0.625 INCHES MINIMUM AND 0.630 INCHES MAXIMUM |
THREAD SIZE | 0.906 IN.-32 |
MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763, CLASS 303, COND A FED SPEC SINGLE MATERIAL RESPONSE |
MATERIAL | STEEL COMP 303 |
DRIVE TYPE | DRILLED HOLE |
DIAMETER | 0.093 INCHES NOMINAL |