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National Stock Number:
5310-01-197-3107
Federal Supply Class:
5310
National Item Identification Number:
011973107
Description:
NUT,PLAIN,SQUARE
Detail:
A NUT, FLAT ON TOP AND BOTTOM, HAVING 4 FLAT SIDES. FOR ITEMS HAVING A THICKNESS (OR HEIGHT) EXCEEDING TWO TIMES THE WIDTH ACROSS THE FLATS, USE POST, ELECTRICAL-MECHANICAL EQUIPMENT. (WHEN HEIGHT OR THICKNESS AND/OR WIDTH ACROSS THE FLATS IS DESIGNATED AS A TOLERANCE DIMENSION, THE MAXIMUM DIMENSION WILL BE USED TO DETERMINE COMPLIANCE.)
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Manufacturer Information:
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Techincal Specification:
| BEARING SURFACE TYPE | CHAMFERED | | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM | | MATERIAL | STEEL OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD SIZE | 0.500 INCHES | | NUT HEIGHT | 15.2 MILLIMETERS MINIMUM AND 15.8 MILLIMETERS MAXIMUM | | NUT STYLE | SQUARE | | WIDTH ACROSS FLATS | 20.75 MILLIMETERS MINIMUM AND 21.25 MILLIMETERS MAXIMUM | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES | UNF |
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