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National Stock Number:
5310-01-056-8763
Federal Supply Class:
5310
National Item Identification Number:
010568763
Description:
NUT,SELF-LOCKING,DOUBLE HEXAGON
Detail:
A nut having 12 drive points and 24 sides. The bearing surface may be washer faced. An integral locking feature is incorporated in the design of the head or in the threads.
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Manufacturer Information:
| 78238-428 | 56878 | SPS TECHNOLOGIES, LLC | | H52370-4 | 15653 | HOWMET GLOBAL FASTENING SYSTEMS INC | | ST3M749-4 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| BEARING SURFACE TYPE | CHAMFERED | | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM | | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN | | LUBRICATION | DRY FILM LUBRICANT | | NUT HEIGHT | 0.238 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP H11 OVERALL | | NOMINAL THREAD SIZE | 0.250 INCHES | | SPECIAL FEATURES | NUT IS CASTELLATED WITH SIX SLOTS EQUALLY SPACED 0.090 IN. W,0.091 DEEP | | WIDTH ACROSS FLATS | 0.120 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-8337,TYPE II,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES | UNJF |
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