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National Stock Number:
1240-00-131-6286
Federal Supply Class:
1240
National Item Identification Number:
001316286
Description:
CELL,OPTICAL ELEMENT
Detail:
A CYLINDRICAL ITEM SPECIFICALLY DESIGNED TO HOLD A LENS, RETICLE, OR WINDOW IN AN OPTICAL SYSTEM. INCLUDES ECCENTRIC CELLS AND/OR RINGS DESIGNED TO BE ROTATED WITHIN THE INSTRUMENT TO SHIFT AN OPTICAL ELEMENT TO A PRESCRIBED POSITION.
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Manufacturer Information:
| 8213381 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| ECCENTRIC CONSTRUCTION | NOT PROVIDED | | ELEMENT SECURING METHOD | SCREW | | FSC APPLICATION DATA | PERISCOPE,TANK | | OVERALL DIAMETER | 4.300 INCHES MINIMUM AND 4.310 INCHES MAXIMUM | | OVERALL LENGTH | 7.640 INCHES MINIMUM AND 7.650 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-601, ALLOY 355, T6 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-601, ALLOY 356, T6 FED SPEC 2ND MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 355.0 AND ALUMINUM ALLOY 356.0 | | SCREW THREAD SERIES DESIGNATOR | UNS | | SURFACE TREATMENT | ANODIZE | | THREAD CLASS | 2B AND 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD PITCH DIAMETERS | +4.1672 TO 4.1732 INCHES AND +2.5366 TO 2.5409 INCHES | | THREAD LENGTH | 0.280 INCHES AND 0.245 INCHES | | THREAD LOCATION | INTERNAL AND EXTERNAL | | THREAD SIZE | 4-3/16 IN.-32 AND 2-9/16 IN.-32 |
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