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National Stock Number:
1240-00-531-9083
Federal Supply Class:
1240
National Item Identification Number:
005319083
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:
| 5319083 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| DRIVE TYPE | SLOTTED | | DIAMETER | 1.850 INCHES NOMINAL | | FLANGE THREAD SIZE | 1.850 IN.-36 | | GUIDE DESIGN | THREAD RELIEF | | GUIDE LOCATION | SHOULDER | | HOLE DIAMETER | 1.625 INCHES NOMINAL | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | OVERALL LENGTH | 0.700 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | WW-T-785, COND T-CANCELED FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 2024 | | SETSCREW NOTCH | NOT PROVIDED | | SHOULDER LENGTH | 0.138 INCHES NOMINAL | | SHOULDER THREAD SIZE | 1.625 IN.-32 | | STYLE DESIGNATOR | SHOULDERED | | SURFACE TREATMENT | ANODIZE |
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