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National Stock Number:
5855-01-169-1706
Federal Supply Class:
5855
National Item Identification Number:
011691706
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:
| SM-C-850136 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| DIAMETER | 1.937 INCHES NOMINAL | | FLANGE DIAMETER | 1.937 INCHES NOMINAL | | FSC APPLICATION DATA | NIGHT VISION EQUIP. EMITTED AND REFLECTED RADIATION | | OVERALL LENGTH | 0.300 INCHES MINIMUM AND 0.320 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-200/8, 6061, T6 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 6061 | | SHOULDER DIAMETER | 1.631 INCHES NOMINAL | | SHOULDER LENGTH | 0.300 INCHES MINIMUM AND 0.320 INCHES MAXIMUM | | STYLE DESIGNATOR | SHOULDERED | | SURFACE TREATMENT | PAINT |
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