|
|
|
National Stock Number:
6650-00-503-7652
Federal Supply Class:
6650
National Item Identification Number:
005037652
Description:
SPACER,OPTICAL ELEMENT
Detail:
A TUBULAR SHAPED ITEM DESIGNED TO MAINTAIN A PREDETERMINED DISTANCE BETWEEN OPTICAL ELEMENTS, SUCH AS LENSES, RETICLES, AND THE LIKE. THE BORE MAY BE STRAIGHT, TAPERED OR COUNTERBORED, AND MAY HAVE ANNULAR SERRATIONS TO CONVERGE OR DIVERGE LIGHT RAYS. THE SURFACES, WHICH MATE WITH THE OPTICS, ARE USUALLY CHAMFERED, CONCAVE, AND/OR HAVE A SPECIFIED FINISH DESIGNATION IN THE RANGE OF 1 TO 125 MICROINCHES ARITHMETICAL AVERAGE (AA). SEE ALSO SPACER, SLEEVE AND CELL, OPTICAL ELEMENT.
|
Manufacturer Information:
| 5037652 | 19200 | US ARMY ARDEC RDECOM |
|
Techincal Specification:
| END INTERNAL BEVEL ANGLE | 18.0 DEGREES NOMINAL | | OVERALL LENGTH | 0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-T-46072,ALLOY NO. 330 THRU 370 MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | COPPER ALLOY | | SERRATION WIDTH | 0.0792 INCHES NOMINAL | | STRAIGHT BORE INSIDE DIAMETER | 0.652 INCHES MINIMUM AND 0.662 INCHES MAXIMUM | | STYLE DESIGNATOR | SPACER |
|
|