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National Stock Number:
1240-00-517-8640
Federal Supply Class:
1240
National Item Identification Number:
005178640
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:
| 5178640 | 19200 | US ARMY ARDEC RDECOM | | 5178640 | 1CN43 | MACKO INDUSTRIES | | 5178640 | 28946 | B AND S SCREW MACHINE PRODUCTS INC SUB OF CHESTNUT GROUP INC | | 5178640 | 2S308 | FREEHOLD MANUFACTURING ASSEMBLY COMPANY, INC. | | 5178640 | 32783 | LASMER INDUSTRIES INC | | 5178640 | 33436 | BETA ENGINEERING, INC. | | 5178640 | 33950 | DELTA-X CORP |
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Techincal Specification:
| FLANGE DIAMETER | 0.625 INCHES NOMINAL | | GUIDE DESIGN | THREAD CHAMFER | | INTERNAL ANNULAR SERRATION | PROVIDED | | OVERALL LENGTH | 0.100 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-626, COMP 360 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | COPPER ALLOY 360 | | SETSCREW NOTCH | NOT PROVIDED | | SHOULDER DIAMETER | 0.562 INCHES NOMINAL | | SHOULDER LENGTH | 0.062 INCHES NOMINAL | | STYLE DESIGNATOR | SHOULDERED |
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