NSN 5855-01-276-4494
Part Details | OPTICAL ELEMENT RETAINER
5855-01-276-4494 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: SMD850324, SM-D-850324, SMD850324, SM-D-850324, 5855-01-276-4494, 01-276-4494, 5855012764494, 012764494
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 58 | APR 08, 1988 | 01-276-4494 | 22451 ( RETAINER, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
RECESSED
Cross Reference | NSN 5855-01-276-4494
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| SM-D-850324 | 27777 | L3 TECHNOLOGIES, INC.DBA INSIGHT TECHNOLOGY DIVISION |
| SM-D-850324 | 80063 | US ARMY COMMUNICATIONS &ELECTRONICS MATERIEL READINESS |
Technical Data | NSN 5855-01-276-4494
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | RECESSED |
| HOLE DIAMETER | 2.870 INCHES NOMINAL |
| OVERALL LENGTH | 0.110 INCHES NOMINAL |
| RECESS DIAMETER | 2.870 INCHES NOMINAL |
| RECESS DEPTH | 2.870 INCHES NOMINAL |
| HOLE CHAMFER DIAMETER | 2.870 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250 TO 11, T6 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-225 TO 8, ALLOY 6061, T6 FED SPEC 2ND MATERIAL RESPONSE |
| MATERIAL | 1$1 |
| FSC APPLICATION DATA | NIGHT VISION EQUIPMENT,EMITTED AND REFLECTED RADIATION |
| END ITEM IDENTIFICATION | DLSM-B-850321 |