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National Stock Number:
1240-01-043-4767
Federal Supply Class:
1240
National Item Identification Number:
010434767
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:
| 10544461 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| DRIVE FACILITY ANGULAR SPACING IN DEG | 180.0 | | DRIVE TYPE | SLOTTED | | DEPTH | 0.055 INCHES NOMINAL | | FLANGE THREAD SIZE | 1.000 IN-32 | | GUIDE DESIGN | THREAD CHAMFER | | GUIDE LOCATION | BOTH EDGES | | HOLE DIAMETER | 0.755 INCHES NOMINAL | | HOLE OR SLOT QUANTITY | 1 | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | OVERALL LENGTH | 0.170 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | WW-T-700/3, ALLOY 2024, T3 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 2024 | | SETSCREW NOTCH | NOT PROVIDED | | SHOULDER LENGTH | 0.050 INCHES NOMINAL | | SHOULDER DIAMETER | 0.905 INCHES NOMINAL | | STYLE DESIGNATOR | SHOULDERED | | WIDTH | 0.064 INCHES NOMINAL | | SURFACE TREATMENT | ANODIZE |
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