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National Stock Number:
4730-00-614-6478
Federal Supply Class:
4730
National Item Identification Number:
006146478
Description:
LOCKNUT,TUBE FITTING
Detail:
AN ITEM WITH INTERNAL MACHINE THREADS DESIGNED TO FIT THE EXTERNAL MACHINE THREADS OF A TUBE FITTING. IT HAS FLAT FACES, ONE OF WHICH HAS A COUNTERBORED RECESS TO ACCOMMODATE PACKING, PACKING OR SEALING RING(S), GASKET(S), AND THE LIKE. THE ITEM, WHEN INSTALLED, PROVIDES A METHOD OF LOCKING AND SEALING THE CONNECTION. SEE ALSO LOCKNUT, PIPE; NUT (1), TUBE COUPLING AND NUT (1), PLAIN, HEXAGON.
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Manufacturer Information:
| MIL-DTL-18866 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MS39321V5 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MS51860-54SS | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| PACKING RECESS DIAMETER | 0.505 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD SIZE | 0.500 INCHES | | NOMINAL TUBE OUTSIDE DIAMETER | 0.313 INCHES | | NUT HEIGHT | 0.250 INCHES NOMINAL | | NUT STYLE | TUBE FITTING LOCKNUT | | SPECIFICATION/STANDARD DATA | 96906-MS51860 GOVERNMENT STANDARD | | WIDTH ACROSS FLATS | 0.750 INCHES NOMINAL | | THREAD DIRECTION | RIGHT-HAND | | THREAD PITCH DIAMETERS | +0.4643 TO 0.4675 INCHES | | THREAD SERIES | UNF | | THREAD QUANTITY PER INCH | 20 |
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