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National Stock Number:
6650-00-944-1399
Federal Supply Class:
6650
National Item Identification Number:
009441399
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:
| 10121189 | 09205 | LOCKHEED MARTIN CORP ELECTRONICS AND MISSILES DIV | | 10121189 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
| DRIVE FACILITY ANGULAR SPACING IN DEG | 180.0 | | DRIVE TYPE | SLOTTED | | DEPTH | 0.050 INCHES NOMINAL | | DIAMETER | 0.094 INCHES NOMINAL | | FLANGE THREAD SIZE | 0.875 IN.-32 UNS 2A | | GUIDE DESIGN | THREAD CHAMFER | | GUIDE LOCATION | DRIVE EDGE | | HOLE DIAMETER | 0.590 INCHES MINIMUM AND 0.610 INCHES MAXIMUM | | HOLE OR SLOT QUANTITY | 2 | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | OVERALL LENGTH | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6, T351 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 2024 | | SETSCREW NOTCH | NOT PROVIDED | | SHOULDER LENGTH | 0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM | | SHOULDER DIAMETER | 0.775 INCHES MINIMUM AND 0.795 INCHES MAXIMUM | | STYLE DESIGNATOR | SHOULDERED | | WIDTH | 0.094 INCHES NOMINAL | | SURFACE TREATMENT | ANODIZE |
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