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National Stock Number:
1240-00-916-0285
Federal Supply Class:
1240
National Item Identification Number:
009160285
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:
| 701C983P1 | 89954 | BAE SYSTEMS CONTROLS INC. |
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Techincal Specification:
| DRIVE TYPE | SLOTTED | | DRIVE FACILITY ANGULAR SPACING IN DEG | 90.0 | | DEPTH | 0.035 INCHES NOMINAL | | FSC APPLICATION DATA | AIRCRAFT GUNNERY FIRE CONTROL SYSTEM | | GUIDE DESIGN | THREAD CHAMFER | | GUIDE LOCATION | EDGE OPPOSITE DRIVE EDGE | | HOLE CHAMFER ANGLE IN DEG | 45.0 | | HOLE CHAMFER DIAMETER | 4.220 INCHES MINIMUM AND 4.240 INCHES MAXIMUM | | HOLE OR SLOT QUANTITY | 4 | | HOLE DIAMETER | 4.280 INCHES NOMINAL | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | MATERIAL DOCUMENT AND CLASSIFICATION | WW-T-700/6,T6,TYPE1 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 6061 | | OVERALL LENGTH | 0.195 INCHES NOMINAL | | RECESS DEPTH | 0.180 INCHES NOMINAL | | RECESS DIAMETER | 4.100 INCHES MINIMUM AND 4.120 INCHES MAXIMUM | | SETSCREW NOTCH | NOT PROVIDED | | STYLE DESIGNATOR | RECESSED | | THREAD SIZE | 4.375 IN.-32 UNS-2B | | WIDTH | 0.070 INCHES NOMINAL |
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