NSN 1240-01-186-1801
Part Details | OPTICAL ELEMENT RETAINER
1240-01-186-1801 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: 30811461, 3081146-1, 1240-01-186-1801, 01-186-1801, 1240011861801, 011861801
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | AUG 08, 1984 | 01-186-1801 | 22451 ( RETAINER, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
SHOULDERED
Cross Reference | NSN 1240-01-186-1801
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 3081146-1 | 96214 | RAYTHEON COMPANYDBA RAYTHEON |
Technical Data | NSN 1240-01-186-1801
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | SHOULDERED |
| HOLE DIAMETER | 3.400 INCHES NOMINAL |
| OVERALL LENGTH | 0.063 INCHES NOMINAL |
| FLANGE DIAMETER | 3.980 INCHES MINIMUM AND 4.000 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250 TO 11, T6 FED SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | ALUMINUM ALLOY 6061 |
| SURFACE TREATMENT | ANODIZE |
| DRIVE TYPE | DRILLED HOLE |
| HOLE OR SLOT QUANTITY | 3 |
| DIAMETER | 0.076 INCHES NOMINAL |
| WIDTH | 0.063 INCHES NOMINAL |
| RADIUS FROM GEOMETRIC AXIS TO HOLE CENTER | 1.844 INCHES NOMINAL |
| INTERNAL ANNULAR SERRATION | NOT PROVIDED |
| GUIDE DESIGN | THREAD RELIEF |
| SETSCREW NOTCH | NOT PROVIDED |
| FSC APPLICATION DATA | DETECTING-RANGING SET AN/AAS-38 |