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National Stock Number:
1240-00-698-5344
Federal Supply Class:
1240
National Item Identification Number:
006985344
Description:
CELL ASSEMBLY,OPTICAL INSTRUMENT
Detail:
AN ITEM CONSISTING OF A CELL, OPTICAL ELEMENT IN WHICH IS SECURED ONE OR MORE OPTICAL ELEMENTS, SUCH AS LENSES, RETICLES, FILTERS, WINDOWS, AND THE LIKE. MAY INCLUDE RETAINING RINGS, SPACERS, AND/OR SEPARATORS. FOR ITEMS WITH FOCUSING FACILITIES AND/OR A DIOPTER SCALE, SEE EYEPIECE ASSEMBLY, OPTICAL INSTRUMENT.
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Manufacturer Information:
| 8242545 | 11934 | SEILER INSTRUMENT AND MANUFACTURING COMPANY, INCORPORATED | | 8242545 | 19200 | US ARMY ARDEC RDECOM | | 8242545 | 03829 | GENERAL SCIENTIFIC CORP |
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Techincal Specification:
| ECCENTRIC CONSTRUCTION | NOT PROVIDED | | CELL CONTROLLING AGENCY | FRANKFORD ARSENAL | | CELL IDENTIFYING NUMBER | 7679538 PART NO. | | FSC APPLICATION DATA | PERISCOPE,TANK M20 SERIES | | OPTICAL ELEMENT CONTROLLING AGENCY | FRANKFORD ARSENAL | | OPTICAL ELEMENT IDENTIFYING NUMBER | 7679539 PART NO. | | OPTICAL ELEMENT QUANTITY | 1 | | OPTICAL ELEMENT TYPE | OPTICAL GLASS WINDOW | | OVERALL DIAMETER | 1.680 INCHES MINIMUM AND 1.690 INCHES MAXIMUM | | OVERALL LENGTH | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | WW-T-700/3, T3 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 2024 | | SCREW THREAD SERIES DESIGNATOR | UNS | | SUPPLEMENTARY FEATURES | CELL SURFACE TREATMENT,ANODIZED,MIL-A-8625,TYPE 2,CLASS 2,BLACK. CHAMFER 0.062 IN. BY 45 DEG OPPOSITE THREAD END. KNURL DRIVE TYPE. OPTICAL ELEMENT BONDED. TWO 0.063 IN. DIA HOLES SPACED 180 DEG APART ON PERIPHERY OF KNURL END. | | THREAD DIRECTION | RIGHT-HAND | | THREAD LOCATION | EXTERNAL | | THREAD PITCH DIAMETERS | +1.5996 TO 1.6047 INCHES | | THREAD LENGTH | 0.110 INCHES | | THREAD SIZE | 1.625 IN.-32 |
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