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National Stock Number:
5855-00-427-7848
Federal Supply Class:
5855
National Item Identification Number:
004277848
Description:
RETAINER,OPTICAL ELEMENT
Detail:
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.
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Manufacturer Information:
| 501-2543-201 | 27777 | L3 TECHNOLOGIES, INC. | | SC-C-647359 | 04YE2 | VALCORE MANUFACTURING LLC | | SC-C-647359 | 20723 | VALCORE MANUFACTURING LLC | | SC-C-647359 | 21530 | SPENCER INDUSTRIES INC | | SC-C-647359 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| FLANGE DIAMETER | 3.372 INCHES NOMINAL | | FSC APPLICATION DATA | NIGHT VISION EQUIPMENT,EMITTED AND REFLECTED RADIATION | | GUIDE DESIGN | THREAD CHAMFER | | GUIDE LOCATION | SHOULDER | | HOLE DIAMETER | 3.001 INCHES NOMINAL | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | MATERIAL | COPPER ALLOY | | OVERALL LENGTH | 0.036 INCHES NOMINAL | | SETSCREW NOTCH | NOT PROVIDED | | SHOULDER DIAMETER | 3.237 INCHES NOMINAL | | SHOULDER LENGTH | 0.026 INCHES NOMINAL | | SPECIAL TEST FEATURES | INTERPRET DRAWING IAW MIL-D-1000; FINISH 3.2 OF MIL-STD-171; IDENTIFY PER MIL-M-13231 | | STYLE DESIGNATOR | SHOULDERED | | SUPPLEMENTARY FEATURES | DIMENSIONAL LIMITS AND SURFACE ROUGHNESS DESIGNATION APPLY AFTER FINISH |
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