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National Stock Number:
1240-00-851-4868
Federal Supply Class:
1240
National Item Identification Number:
008514868
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:
| 8615902 | 11934 | SEILER INSTRUMENT AND MANUFACTURING COMPANY, INCORPORATED | | 8615902 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| DRIVE TYPE | SLOTTED | | DEPTH | 0.057 INCHES NOMINAL | | FLANGE DIAMETER | 1.200 INCHES NOMINAL | | FSC APPLICATION DATA | TELESCOPE ELBOW,T176 INTEGRATED WITH FIRE CONTROL | | GUIDE DESIGN | THREAD RELIEF | | GUIDE LOCATION | SHOULDER | | HOLE DIAMETER | 1.064 INCHES NOMINAL | | HOLE OR SLOT QUANTITY | 1 | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | OVERALL LENGTH | 0.390 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY 2024 | | SETSCREW NOTCH | NOT PROVIDED | | SHOULDER LENGTH | 0.210 INCHES NOMINAL | | SHOULDER THREAD SIZE | 1.188 IN.-32-2A | | WIDTH | 0.057 INCHES NOMINAL | | STYLE DESIGNATOR | SHOULDERED |
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