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National Stock Number: 5310-00-463-1428
Federal Supply Class: 5310
National Item Identification Number: 004631428
Description: NUT,SELF-LOCKING,SLOTTED,HEXAGON
Detail: A NUT HAVING A FLAT BEARING SURFACE AND 6 FLAT SIDES WITH SLOTS IN ITS 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, CASTELLATED, OCTAGON.
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Manufacturer Information:
178275 | 71791 | CURTISS-WRIGHT CONTROLS, INC. | 71299M720 | 56878 | SPS TECHNOLOGIES, LLC |
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Techincal Specification:
THREAD SERIES | UNJF | NOMINAL THREAD SIZE | 0.438 INCHES | THREAD QUANTITY PER INCH | 20 | THREAD CLASS | 3B | THREAD DIRECTION | RIGHT-HAND | MATERIAL | STEEL COMP 8740 OVERALL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL | SURFACE TREATMENT | CADMIUM OVERALL | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | NUT STYLE | SLOTTED, HEXAGON | NUT HEIGHT | 0.313 INCHES MINIMUM AND | | 0.328 INCHES MAXIMUM | WIDTH ACROSS FLATS | 0.616 INCHES MINIMUM AND | | 0.627 INCHES MAXIMUM | BEARING SURFACE TYPE | CHAMFERED | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN | SPEC/STD CONTROLLING DATA | | MANUFACTURERS CODE | 71791 | MFR SOURCE CONTROLLING REFERENCE | 178275 |
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