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National Stock Number:
1240-21-913-8632
Federal Supply Class:
1240
National Item Identification Number:
219138632
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:
| 6246439 | 36126 | RAYTHEON CANADA LIMITED |
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Techincal Specification:
| FLANGE DIAMETER | 2.150 INCHES MINIMUM AND 2.151 INCHES MAXIMUM | | HOLE DIAMETER | 1.605 INCHES MINIMUM AND 1.607 INCHES MAXIMUM | | HOLE OR SLOT QUANTITY | 4 | | INTERNAL ANNULAR SERRATION | PROVIDED | | MATERIAL | ALUMINUM ALLOY | | OVERALL LENGTH | 1.182 INCHES NOMINAL | | RECESS DIAMETER | 1.675 INCHES MINIMUM AND 1.677 INCHES MAXIMUM | | SHOULDER LENGTH | 1.107 INCHES NOMINAL | | STYLE DESIGNATOR | SHOULDERED | | SURFACE TREATMENT | ANODIZE |
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