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National Stock Number:
1240-01-619-1751
Federal Supply Class:
1240
National Item Identification Number:
016191751
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:
| 13494708 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 13494708 | 32865 | DRS NETWORK & IMAGING SYSTEMS LLC |
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Techincal Specification:
| FLANGE DIAMETER | 2.7500 MILLIMETERS MINIMUM AND 2.7505 MILLIMETERS MAXIMUM | | MATERIAL | ALUMINUM ALLOY | | III PART NAME ASSIGNED BY CONTROLLING AGENCY | (DWG TITLE) RING, THREADED-MONOCULAR | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL LENGTH | 1.375 INCHES NOMINAL | | SHOULDER DIAMETER | 2.494 MILLIMETERS MINIMUM AND 2.496 MILLIMETERS MAXIMUM | | SHOULDER LENGTH | 1.150 INCHES NOMINAL | | SPECIAL FEATURES | NEXT ASSY: 13494702; USED ON: TAS; NOTE: INTERNAL THREAD (LEFT HAND); SURFACE TREATMENT: LUBRICANT, SOLID FILM, HEAT CURED, CORROSION INHIBITING; ITAR ITEM | | STYLE DESIGNATOR | SHOULDERED |
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