NSN 5855-01-171-2817
Part Details | OPTICAL ELEMENT RETAINER
5855-01-171-2817 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: 13074744, 13074744, 5855-01-171-2817, 01-171-2817, 5855011712817, 011712817
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 58 | FEB 04, 1984 | 01-171-2817 | 22451 ( RETAINER, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
SHOULDERED
Cross Reference | NSN 5855-01-171-2817
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 13074744 | 04939 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN |
| 13074744 | 58260 | PROGRAM MANAGER ADVANCED ATTACKHELICOPTER BARCOM AMCPM-AAH |
Technical Data | NSN 5855-01-171-2817
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | SHOULDERED |
| SHOULDER LENGTH | 0.260 INCHES NOMINAL |
| HOLE DIAMETER | 1.720 INCHES NOMINAL |
| OVERALL LENGTH | 0.300 INCHES NOMINAL |
| FLANGE DIAMETER | 1.969 INCHES NOMINAL |
| SHOULDER THREAD SIZE | 1.9375 IN.-32 |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225 TO 8, ALLOY 6061, T6 FED SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | ALUMINUM ALLOY 6061 |
| SURFACE TREATMENT | ANODIZE |
| DRIVE TYPE | SLOTTED |
| HOLE OR SLOT QUANTITY | 4 |
| WIDTH | 0.040 INCHES NOMINAL |
| DEPTH | 0.040 INCHES NOMINAL |
| INTERNAL ANNULAR SERRATION | NOT PROVIDED |
| SETSCREW NOTCH | NOT PROVIDED |