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National Stock Number:
5310-00-199-3127
Federal Supply Class:
5310
National Item Identification Number:
001993127
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:
| FF-N-836E TYPE I STYLE 1 GRADE A | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | FFN836 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| BEARING SURFACE TYPE | FLAT | | HARDNESS RATING | 69.0 ROCKWELL B MINIMUM AND 32.0 ROCKWELL C MAXIMUM | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD SIZE | 0.500 INCHES | | NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 1 STYLE AND A GRADE | | NUT HEIGHT | 0.418 INCHES MINIMUM AND 0.458 INCHES MAXIMUM | | NUT STYLE | SQUARE | | WIDTH ACROSS FLATS | 0.788 INCHES MINIMUM AND 0.812 INCHES MAXIMUM | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 13 | | THREAD SERIES | UNC |
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