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National Stock Number:
5310-00-147-6040
Federal Supply Class:
5310
National Item Identification Number:
001476040
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:
| 740745-1 | 73030 | HAMILTON SUNDSTRAND CORPORATION | | 746471-1 | 73030 | HAMILTON SUNDSTRAND CORPORATION |
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Techincal Specification:
| BEARING SURFACE TYPE | CHAMFERED | | HARDNESS RATING | 31.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM | | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN | | NUT HEIGHT | 0.400 INCHES NOMINAL | | NUT STYLE | CASTELLATED, HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | HS178,FSCM 73030 MFR REF SINGLE MATERIAL RESPONSE OR HS279,FSCM 73030 MFR REF SINGLE MATERIAL RESPONSE OR HS1075,FSCM 73030 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD SIZE | 0.625 INCHES | | WIDTH ACROSS FLATS | 0.986 INCHES MINIMUM AND 1.002 INCHES MAXIMUM | | TEST DATA DOCUMENT | 73030-746471 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES | UNF |
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