NSN 1240-00-221-9429
Part Details | OPTICAL ELEMENT RETAINER
1240-00-221-9429 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: 8626235, 1240-00-221-9429, 00-221-9429, 1240002219429, 002219429
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | JUN 18, 1969 | 00-221-9429 | 22451 ( RETAINER, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
RECESSED
Cross Reference | NSN 1240-00-221-9429
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 8626235 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1240-00-221-9429
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | RECESSED |
| HOLE DIAMETER | 1.734 INCHES MINIMUM AND 1.766 INCHES MAXIMUM |
| OVERALL LENGTH | 0.125 INCHES MINIMUM AND 0.156 INCHES MAXIMUM |
| RECESS DIAMETER | 1.891 INCHES MINIMUM AND 1.922 INCHES MAXIMUM |
| RECESS DEPTH | 0.031 INCHES MINIMUM AND 0.047 INCHES MAXIMUM |
| THREAD SIZE | 2.062 IN.-32UNS-2A |
| MATERIAL DOCUMENT AND CLASSIFICATION | WW-T-700 TO 3, T42 FED SPEC 2ND MATERIAL RESPONSE |
| SURFACE TREATMENT | ANODIZE |
| DRIVE TYPE | DRILLED HOLE |
| HOLE OR SLOT QUANTITY | 2 |
| DIAMETER | 0.062 INCHES NOMINAL |
| DEPTH | 0.062 INCHES NOMINAL |
| DRIVE FACILITY ANGULAR SPACING IN DEG | 180.0 |
| RADIUS FROM GEOMETRIC AXIS TO HOLE CENTER | 0.929 INCHES MINIMUM AND 0.945 INCHES MAXIMUM |
| INTERNAL ANNULAR SERRATION | NOT PROVIDED |
| SETSCREW NOTCH | NOT PROVIDED |
| FSC APPLICATION DATA | TELESCOPE,PANORAMIC M113 |
