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National Stock Number:
5310-00-368-4656
Federal Supply Class:
5310
National Item Identification Number:
003684656
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:
| 5310PL0723135 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | 5310PL1700788 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | F12NTEC-918 | 27687 | GREER STOP NUT INC. | | MS17826-9 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | F12NTEC-918 | K1678 | FAIRCHILD FASTENERS UK LTD | | F12NTEC-918 | K6405 | KAYNAR MICRODOT AEROSPACE |
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Techincal Specification:
| BEARING SURFACE FINISH | 125.0 MICROINCHES | | BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED | | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN OR PREVAILING TORQUE WITH NONMETALLIC INSERT | | MATERIAL | STEEL NUT | | NOMINAL THREAD SIZE | 0.562 INCHES | | NUT HEIGHT | 0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM | | NUT STYLE | CASTELLATED, HEXAGON | | WIDTH ACROSS FLATS | 0.865 INCHES MINIMUM AND 0.877 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT | | SURFACE TREATMENT | CADMIUM OVERALL EXCEPT INSERT | | TEMP RATING | 250.0 FAHRENHEIT NOMINAL | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES | UNJF | | THREAD QUANTITY PER INCH | 18 |
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