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National Stock Number:
1240-00-848-8658
Federal Supply Class:
1240
National Item Identification Number:
008488658
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:
| 8587343 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| DRIVE TYPE | SLOTTED | | DEPTH | 0.050 INCHES NOMINAL | | FLANGE THREAD SIZE | 1.125 IN.-32 NS-2A | | FSC APPLICATION DATA | TELESCOPE,PANORAMIC,INTEGRATED WITH FIRE CONTROL EQUIPMENT | | HOLE DIAMETER | 0.920 INCHES NOMINAL | | HOLE OR SLOT QUANTITY | 1 | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | OVERALL LENGTH | 0.250 INCHES NOMINAL | | MATERIAL | ALUMINUM | | SETSCREW NOTCH | NOT PROVIDED | | SHOULDER LENGTH | 0.063 INCHES NOMINAL | | SHOULDER DIAMETER | 1.070 INCHES NOMINAL | | WIDTH | 0.057 INCHES NOMINAL | | STYLE DESIGNATOR | SHOULDERED | | SURFACE TREATMENT | ANODIZE |
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