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National Stock Number:
5310-01-557-2769
Federal Supply Class:
5310
National Item Identification Number:
015572769
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:
| BACN10HR4 | 77272 | THE BOEING COMPANY |
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Techincal Specification:
| THREAD SERIES | UNJF | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | NUT STYLE | DOUBLE HEXAGON | | WASHER OUTSIDE DIAMETER | 0.438 INCHES MAXIMUM | | OVERALL HEIGHT | 0.280 INCHES MINIMUM AND | | 0.310 INCHES MAXIMUM | | WASHER THICKNESS | 0.020 INCHES MINIMUM | | WIDTH ACROSS FLATS | 0.347 INCHES MINIMUM | | COUNTERBORE DIAMETER | 0.250 INCHES MINIMUM AND | | 0.280 INCHES MAXIMUM FIRST END | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT,SELF LOCKING,12 POINT, 220 KSI TENSILE, HIGH RELIABILITY, 450 F AND 900 F; BOEING PART STANDARD |
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