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National Stock Number:
4730-00-833-8106
Federal Supply Class:
4730
National Item Identification Number:
008338106
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-F-5509 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | NAS1410C6 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| PACKING RECESS DEPTH | 0.104 INCHES NOMINAL | | PACKING RECESS DIAMETER | 0.678 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD SIZE | 0.562 INCHES | | NOMINAL TUBE OUTSIDE DIAMETER | 0.375 INCHES | | NUT HEIGHT | 0.365 INCHES NOMINAL | | NUT STYLE | TUBE FITTING LOCKNUT | | SPECIFICATION/STANDARD DATA | 81349-MIL-F-5509 GOVERNMENT SPECIFICATION | | WIDTH ACROSS FLATS | 0.809 INCHES MINIMUM AND 0.817 INCHES MAXIMUM | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3B | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES | UNF |
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