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National Stock Number:
4730-01-619-8349
Federal Supply Class:
4730
National Item Identification Number:
016198349
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:
| LS1091363 | 01417 | GENERAL DYNAMICS LAND SYSTEMS INC. | | LS1091363-53Z | 01417 | GENERAL DYNAMICS LAND SYSTEMS INC. |
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | LOCKNUT | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD SIZE | 0.438 INCHES | | NOMINAL TUBE OUTSIDE DIAMETER | 0.250 INCHES | | NUT HEIGHT | 0.250 INCHES NOMINAL | | NUT STYLE | TUBE FITTING LOCKNUT | | PACKING RECESS DEPTH | 0.443 INCHES NOMINAL | | PACKING RECESS DIAMETER | 0.688 INCHES NOMINAL | | WIDTH ACROSS FLATS | 0.688 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 FE/ZN5 ASSN STD SINGLE TREATMENT RESPONSE OR ASTM F1941 FE/ZN5 AT OR BT ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES | UNF |
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