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National Stock Number:
5310-01-207-0239
Federal Supply Class:
5310
National Item Identification Number:
012070239
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:
| 1113637 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| BEARING SURFACE TYPE | FLAT | | COUNTERBORE DIAMETER | 1.781 INCHES NOMINAL FIRST END | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD SIZE | 1.750 INCHES | | NUT COUNTERBORE DEPTH | 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM FIRST END | | NUT HEIGHT | 0.375 INCHES NOMINAL | | NUT STYLE | SQUARE | | SPECIAL FEATURES | FOUR TAPPED HOLES THRU CORNERS 0.250-20UNC-3B 1.750 IN. APART COUNTERSUNK 90.0 DEG ON BOTH SIDES | | WIDTH ACROSS FLATS | 2.250 INCHES NOMINAL | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 12 | | THREAD SERIES | UNS |
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