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National Stock Number:
5855-00-179-4468
Federal Supply Class:
5855
National Item Identification Number:
001794468
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:
| SC-C-611740-3 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| DRIVE TYPE | SLOTTED | | DEPTH | 0.062 INCHES NOMINAL | | FLANGE DIAMETER | 2.813 INCHES NOMINAL | | GUIDE DESIGN | THREAD CHAMFER | | GUIDE LOCATION | DRIVE EDGE | | HOLE DIAMETER | 2.406 INCHES NOMINAL | | HOLE OR SLOT QUANTITY | 2 | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | OVERALL LENGTH | 0.311 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-268, T4-CANCELED FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 2024 | | SETSCREW NOTCH | NOT PROVIDED | | SHOULDER LENGTH | 0.286 INCHES NOMINAL | | SHOULDER THREAD SIZE | 2.656 IN.-32 | | WIDTH | 0.062 INCHES NOMINAL | | STYLE DESIGNATOR | SHOULDERED |
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