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National Stock Number:
1240-01-049-3573
Federal Supply Class:
1240
National Item Identification Number:
010493573
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:
| 11741177 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| STYLE DESIGNATOR | RECESSED | | OVERALL LENGTH | 0.240 INCHES MINIMUM AND | | 0.250 INCHES MAXIMUM | | RECESS DIAMETER | 1.180 INCHES MINIMUM AND | | 1.185 INCHES MAXIMUM | | RECESS DEPTH | 0.220 INCHES NOMINAL | | THREAD SIZE | AA1.2812 | | HOLE CHAMFER ANGLE IN DEG | 45.0 | | MATERIAL | ALUMINUM ALLOY 2024 OR 6061,TEMPER T3 THRU T6,SPEC WW-T-700/3,WW-T-700/6 OR QQ-A-200/3,QQ-A-200/8 ORQQ-A-225/6,QQ-A-225/8 | | DRIVE TYPE | SLOTTED | | HOLE OR SLOT QUANTITY | 4 | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | SETSCREW NOTCH | NOT PROVIDED | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 19200 | | DESIGN CONTROL REFERENCE | 11741177 |
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