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National Stock Number:
5310-00-862-7902
Federal Supply Class:
5310
National Item Identification Number:
008627902
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:
| 431138 | 04861 | COOPER INDUSTRIES INC COOPER PETROLEUM EQUIPMENT DIV SUNNYVALE OPERATION | | 431138 | 77445 | RTX CORPORATION | | 431138 | 97139 | THE SLABE MACHINE PRODUCTS LLC |
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Techincal Specification:
| BEARING SURFACE TYPE | CHAMFERED | | COUNTERSINK ANGLE | 85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM NUT | | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 8740 OVERALL | | NOMINAL THREAD SIZE | 0.312 INCHES | | NUT HEIGHT | 0.270 INCHES MINIMUM AND 0.290 INCHES MAXIMUM | | NUT STYLE | SQUARE | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES | UNF | | WIDTH ACROSS FLATS | 0.730 INCHES MINIMUM AND 0.740 INCHES MAXIMUM |
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