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National Stock Number: 5310-00-244-4007
Federal Supply Class: 5310
National Item Identification Number: 002444007
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:
LCN6-428 | 56878 | SPS TECHNOLOGIES, LLC |
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Techincal Specification:
BEARING SURFACE FINISH | 125.0 MICROINCHES | BEARING SURFACE TYPE | WASHER FACED | HARDNESS RATING | 38.0 ROCKWELL C MAXIMUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN | MATERIAL | STEEL OVERALL | NOMINAL THREAD SIZE | 0.250 INCHES | NUT HEIGHT | 0.198 INCHES MAXIMUM | NUT STYLE | CASTELLATED, HEXAGON | WIDTH ACROSS FLATS | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | SURFACE TREATMENT | CADMIUM OVERALL | TEMP RATING | 450.0 FAHRENHEIT NOMINAL | THREAD DIRECTION | RIGHT-HAND | THREAD CLASS | 3B | THREAD SERIES | UNJF | THREAD QUANTITY PER INCH | 28 |
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