NSN 1240-01-212-6576
Part Details | OPTICAL ELEMENT RETAINER
1240-01-212-6576 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: 10544460, 1240-01-212-6576, 01-212-6576, 1240012126576, 012126576
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | JUL 17, 1985 | 01-212-6576 | 22451 ( RETAINER, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
SHOULDERED
Cross Reference | NSN 1240-01-212-6576
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 10544460 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1240-01-212-6576
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | SHOULDERED |
| SHOULDER DIAMETER | 0.550 INCHES NOMINAL |
| SHOULDER LENGTH | 0.050 INCHES NOMINAL |
| HOLE DIAMETER | 0.375 INCHES NOMINAL |
| OVERALL LENGTH | 0.170 INCHES NOMINAL |
| FLANGE DIAMETER | 0.625 INCHES NOMINAL |
| MATERIAL | ALUMINUM ALLOY |
| DRIVE TYPE | SLOTTED |
| HOLE OR SLOT QUANTITY | 1 |
| INTERNAL ANNULAR SERRATION | NOT PROVIDED |
| GUIDE DESIGN | THREAD CHAMFER |
| SETSCREW NOTCH | NOT PROVIDED |
| END ITEM IDENTIFICATION | GOES ON THE M109A2 SP |