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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:
| THREAD SERIES | UNJF | | NOMINAL THREAD SIZE | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 38.0 ROCKWELL C MAXIMUM | | NUT STYLE | CASTELLATED, HEXAGON | | NUT HEIGHT | 0.198 INCHES MAXIMUM | | WIDTH ACROSS FLATS | 0.430 INCHES MINIMUM AND | | 0.439 INCHES MAXIMUM | | BEARING SURFACE TYPE | WASHER FACED | | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN | | TEMP RATING | 450.0 DEG FAHRENHEIT NOMINAL | | BEARING SURFACE FINISH | 125.0 MICROINCHES | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 56878 | | DESIGN CONTROL REFERENCE | LCN6-428 |
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