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National Stock Number:
5340-01-572-4217
Federal Supply Class:
5340
National Item Identification Number:
015724217
Description:
STANDOFF,THREADED,SPACING
Detail:
A standoff that must have a threaded end(s) or be internally threaded its full length. For items having external threads on both ends, see STUD (as modified). For items with an outside contour that is the same for the entire length, are flat on top and bottom, having internal threads its full length, and the length does not exceed twice the width across the flats or outside diameter, see NUT (as modified); use maximum dimensions(s) for compliance.
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Manufacturer Information:
| 91780A162 | 39428 | MCMASTER-CARR SUPPLY CO |
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Techincal Specification:
| MATERIAL | ALUMINUM OVERALL | | CROSS-SECTIONAL SHAPE | OCTAGON | | STYLE DESIGNATOR | INTERNALLY THREADED FULL LENGTH | | LENGTH | 0.245 INCHES MINIMUM AND | | 0.255 INCHES MAXIMUM | | THREAD CLASS | 2B LEFT INTERNAL (INCLUDES THRU THREAD) | | THREAD DIRECTION | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) | | THREAD LENGTH | 0.250 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) | | SPECIAL FEATURES | FINISH PLAIN;HEX WIDTH .25", TOLERANCE +/- .003";SCREW SIZE 4-40;FULLY THREADED;ROCKWELL HARDNESS B60;TENSIL STRENGTH 55,000PSI | | PART NAME ASSIGNED BY CONTROLLING AGENCY | 4-40 X 1/4" STANDOFF |
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