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National Stock Number: 5310-00-061-9617
Federal Supply Class: 5310
National Item Identification Number: 000619617
Description: NUT,SELF-LOCKING,EXTENDED WASHER
Detail: A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.
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Manufacturer Information:
| 3M221-10 | 76301 | THE BOEING COMPANY | | 78351-1018 | 56878 | SPS TECHNOLOGIES, LLC | | H50675-10 | 75237 | HOWMET GLOBAL FASTENING SYSTEMS INC. | | ST3M737-10 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| THREAD SERIES | UNF | | NOMINAL THREAD SIZE | 0.625 INCHES | | THREAD QUANTITY PER INCH | 18 | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | NUT STYLE | DOUBLE HEXAGON | | WASHER OUTSIDE DIAMETER | 1.062 INCHES NOMINAL | | OVERALL HEIGHT | 0.672 INCHES NOMINAL | | WASHER THICKNESS | 0.130 INCHES NOMINAL | | WIDTH ACROSS FLATS | 0.769 INCHES MINIMUM AND | | 0.785 INCHES MAXIMUM | | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
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