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National Stock Number:
5310-01-517-7740
Federal Supply Class:
5310
National Item Identification Number:
015177740
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:
| 31248ITEM33 | 94259 | BECHTEL MARINE PROPULSION CORPORATION | | 91831A160 | 07BY4 | MCMASTER-CARR SUPPLY CO |
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Techincal Specification:
| BEARING SURFACE TYPE | FLAT | | HARDNESS RATING | 57.0 ROCKWELL B MINIMUM | | LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT | | NUT STYLE | CASTELLATED, HEXAGON | | NUT HEIGHT | 1.187 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD SIZE | 1.000 INCHES | | WIDTH ACROSS FLATS | 1.437 INCHES NOMINAL | | TEMP RATING | 250.0 FAHRENHEIT MAXIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES | UNF | | THREAD PITCH DIAMETERS | +4.5 TO 5.0 MILLIMETERS | | THREAD QUANTITY PER INCH | 14 |
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