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National Stock Number:
5310-00-341-7052
Federal Supply Class:
5310
National Item Identification Number:
003417052
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:
| 38FH-2012 | 56878 | SPS TECHNOLOGIES, LLC | | MS21045L20 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| THREAD SERIES | UNF | | NOMINAL THREAD SIZE | 1.250 INCHES | | THREAD QUANTITY PER INCH | 12 | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | STEEL OVERALL | | NUT STYLE | CASTELLATED, HEXAGON | | NUT HEIGHT | 1.438 INCHES NOMINAL | | WIDTH ACROSS FLATS | 1.812 INCHES NOMINAL | | BEARING SURFACE TYPE | CHAMFERED | | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 96906 | | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS21045L20 |
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