NSN 1240-01-173-1954 82A5027A1534, 01-173-1954, 011731954
Product Details | OPTICAL ELEMENT RETAINER
1240-01-173-1954 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.20312400038Optical Sighting and Ranging Equipment58550055Night Vision Equipment, Emitted and Reflected Radiation66500063Optical Instruments, Test Equipment, Components and Accessories
Part Alternates: 82A5027A1534, 1240-01-173-1954, 01-173-1954, 1240011731954, 011731954
Fire Control Equipment | Optical Sighting and Ranging Equipment
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | 01-173-1954 | 22451 ( RETAINER, OPTICAL ELEMENT ) |
Drawings & Photos | NSN 1240-01-173-1954
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Related Products | NSN 1240-01-173-1954
Technical Data | NSN 1240-01-173-1954
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | F1 RECESSED |
| HOLE DIAMETER | 26.5 MILLIMETERS NOMINAL |
| OVERALL LENGTH | 3.6 MILLIMETERS NOMINAL |
| RECESS DIAMETER | 26.5 MILLIMETERS NOMINAL |
| RECESS DEPTH | 3.3 MILLIMETERS NOMINAL |
| THREAD SIZE | 1.300 IN.-32 |
| HOLE CHAMFER ANGLE IN DEG | 0.0 |
| HOLE CHAMFER DIAMETER | 26.5 MILLIMETERS NOMINAL |
| MATERIAL | ALUMINUM ALLOY, WW-T-700/6, T6, TYPE 1 |
| DRIVE TYPE | SLOTTED |
| HOLE OR SLOT QUANTITY | 2 |
| INTERNAL ANNULAR SERRATION | NOT PROVIDED |
| GUIDE DESIGN | THREAD RELIEF |
| GUIDE LOCATION | BOTH EDGES |
| SETSCREW NOTCH | PROVIDED |
Restrictions/Controls & Freight Information | NSN 1240-01-173-1954
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||