9340-00-300-8003 WINDOW,OBSERVATION Index 1240-00-300-8007 BLOCK,CLAMP

National Stock Number:
5365-00-300-8006

Federal Supply Class:
5365

National Item Identification Number:
003008006

Description:
SPACER,STEPPED

Detail:
A TUBULAR SHAPED ITEM WITH A ROUND OR HEXAGON PERIPHERAL SHAPE HAVING TWO FLAT BEARING SURFACES PERPENDICULAR TO THE AXIS OF THE CENTRALLY LOCATED HOLE. IT IS DESIGNED TO MAINTAIN A PREDETERMINED DISTANCE BETWEEN ASSEMBLED PARTS. THE ITEM MAY BE WITH OR WITHOUT FLANGE(S) OF ANY PERIPHERAL SHAPE. THE LENGTH MUST EXCEED 25 PERCENT OF THE OUTSIDE DIAMETER OR DISTANCE ACROSS PERIPHERAL FLATS. (WHEN THE LENGTH, OUTSIDE DIAMETER, AND/OR DISTANCE ACROSS PERIPHERAL FLATS ARE DESIGNATED AS A TOLERANCE, THE MAXIMUM DIMENSION WILL BE USED TO DETERMINE COMPLIANCE.) IT MUST HAVE ONE OR MORE INTERNAL STEPS (COUNTERBORES) AND/OR EXTERNAL STEPS ON EITHER OR BOTH BEARING SURFACES. EXCLUDES SPACER, OPTICAL ELEMENT. SEE ALSO WASHER, RECESSED AND WASHER, SHOULDERED AND RECESSED.


Manufacturer Information:
769597119200US ARMY ARDEC RDECOM


Techincal Specification:
FIRST LEFT COUNTERBORE DEPTH0.090 INCHES NOMINAL
MATERIALALUMINUM ALLOY
OVERALL LENGTH0.465 INCHES NOMINAL
SECOND LEFT COUNTERBORE DEPTH0.070 INCHES NOMINAL
STYLE DESIGNATORSTEPPED SPACER


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