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National Stock Number:
5310-01-593-6687
Federal Supply Class:
5310
National Item Identification Number:
015936687
Description:
NUT,SELF-LOCKING,CASTELLATED,HEX
Detail:
A NUT HAVING 6 FLAT SIDES, FLAT ON THE BOTTOM AND HAVING A SLOTTED CYLINDRICAL OR DOME SHAPED UPPER PORTION. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER. THE SLOTS WHEN USED IN CONJUNCTION WITH A SOLID OR SPLIT (COTTER) PIN, ACT AS AN EXTRA "FAIL SAFE" FEATURE IN CRITICAL APPLICATIONS. EXCLUDES NUT (1), SELF-LOCKING, SLOTTED, HEXAGON.
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Manufacturer Information:
| BACN11N4CS | 81205 | THE BOEING COMPANY | | BACN11N4CS | Z0HA9 | BOEING DEFENCE AUSTRALIA |
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Techincal Specification:
| THREAD SERIES | UNJF | | NOMINAL THREAD SIZE | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | IRON ALLOY 660 OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | NUT STYLE | CASTELLATED, HEXAGON | | NUT HEIGHT | 0.266 INCHES MINIMUM AND | | 0.296 INCHES MAXIMUM | | WIDTH ACROSS FLATS | 0.305 INCHES MINIMUM AND | | 0.315 INCHES MAXIMUM | | BEARING SURFACE TYPE | FLAT | | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
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