NSN 1240-01-188-8029
Part Details | OPTICAL ELEMENT RETAINER
1240-01-188-8029 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: 8615982, 1240-01-188-8029, 01-188-8029, 1240011888029, 011888029
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | SEP 07, 1984 | 01-188-8029 | 22451 ( RETAINER, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-01-188-8029
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 8615982 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1240-01-188-8029
| Characteristic | Specifications |
|---|---|
| HOLE DIAMETER | 0.625 INCHES NOMINAL |
| OVERALL LENGTH | 0.125 INCHES NOMINAL |
| THREAD SIZE | AA0.875 |
| MATERIAL | STEEL CORROSION RESISTING |
| SURFACE TREATMENT | OXIDE |
| DRIVE TYPE | SLOTTED |
| HOLE OR SLOT QUANTITY | 1 |
| WIDTH | 0.047 INCHES NOMINAL |
| DEPTH | 0.047 INCHES NOMINAL |
| INTERNAL ANNULAR SERRATION | NOT PROVIDED |
| GUIDE DESIGN | THREAD RELIEF |
| SETSCREW NOTCH | NOT PROVIDED |
| SPECIAL FEATURES | MATERIAL IS PER MIL-T-8506,304,ANNEALED,OR QQ-S-764,TYPE 303 OR 303SE,COND. A; THREAD CHAR. ARE 64UNS-2A |
| CUBIC MEASURE | 0.0957 CUBIC INCHES |