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National Stock Number:
1240-00-902-7076
Federal Supply Class:
1240
National Item Identification Number:
009027076
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:
| 10513560 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| DEPTH | 0.047 INCHES MINIMUM AND 0.062 INCHES MAXIMUM | | DRIVE TYPE | SLOTTED | | DRIVE FACILITY ANGULAR SPACING IN DEG | 180.0 | | HOLE DIAMETER | 1.920 INCHES MINIMUM AND 1.925 INCHES MAXIMUM | | HOLE OR SLOT QUANTITY | 2 | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | MATERIAL DOCUMENT AND CLASSIFICATION | WW-T-785, T3-CANCELED FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 2024 | | RECESS ANGLE IN DEG | 36.0 | | RECESS DEPTH | 0.123 INCHES NOMINAL | | OVERALL LENGTH | 0.155 INCHES MINIMUM AND 0.160 INCHES MAXIMUM | | SETSCREW NOTCH | NOT PROVIDED | | STYLE DESIGNATOR | RECESSED | | SURFACE TREATMENT | ANODIZE | | THREAD SIZE | 2.125 IN.-32 UNS-2A | | WIDTH | 0.047 INCHES MINIMUM AND 0.062 INCHES MAXIMUM |
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