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National Stock Number:
5310-00-221-4677
Federal Supply Class:
5310
National Item Identification Number:
002214677
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:
| FFN836 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | MS21304-2 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| BEARING SURFACE TYPE | WASHER FACED | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-633 FED SPEC ALL MATERIAL RESPONSES OVERALL | | MATERIAL | STEEL COMP 1109 OR STEEL COMP 1117 OR STEEL COMP 1118 OR STEEL COMP 1120 OVERALL | | NOMINAL THREAD SIZE | 0.312 INCHES | | NUT HEIGHT | 0.266 INCHES NOMINAL | | NUT STYLE | SQUARE | | WIDTH ACROSS FLATS | 0.562 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-Z-17871 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) | | THREAD QUANTITY PER INCH | 18 |
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