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National Stock Number:
5310-01-449-2011
Federal Supply Class:
5310
National Item Identification Number:
014492011
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:
| 73781CM-720 | 56878 | SPS TECHNOLOGIES, LLC | | 9131M75P25 | 07482 | GENERAL ELECTRIC COMPANY | | 9131M75P25 | 15653 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 9131M75P25 | 56878 | SPS TECHNOLOGIES, LLC | | H49404-7 | 15653 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| BEARING SURFACE TYPE | CHAMFERED | | HARDNESS RATING | 29.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM | | LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | IRON ALLOY 660 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD SIZE | 0.437 INCHES | | NUT HEIGHT | 0.437 INCHES MINIMUM AND 0.469 INCHES MAXIMUM | | NUT STYLE | CASTELLATED, HEXAGON | | WIDTH ACROSS FLATS | 0.494 INCHES MINIMUM AND 0.504 INCHES MAXIMUM | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES | UNJF |
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