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National Stock Number:
5310-00-022-8379
Federal Supply Class:
5310
National Item Identification Number:
000228379
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:
| 3C24879-101 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| BEARING SURFACE FINISH | 250.0 MICROINCHES | | BEARING SURFACE TYPE | WASHER FACED | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758,COND D4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4130 OVERALL | | NOMINAL THREAD SIZE | 1.750 INCHES | | NUT HEIGHT | 0.380 INCHES NOMINAL | | NUT STYLE | SQUARE | | SPECIAL FEATURES | NUT SIDE CORNERS ROUNDED TO 2.060 IN. DIA AND 4 SAFETY WIRE HOLES 0.069 IN. MIN 0.074 IN. MAX DRILLED AT 45.0 DEG ON FACE OF NUT 0.120 IN. FROM OUTSIDE EDGE IN CENTER OF ROUNDED CORNERS | | WIDTH ACROSS FLATS | 1.940 INCHES NOMINAL | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES | UN | | THREAD QUANTITY PER INCH | 12 |
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