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National Stock Number:
4730-01-383-5404
Federal Supply Class:
4730
National Item Identification Number:
013835404
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:
| 11176409 | 17773 | BALLISTIC MISSILE DEFENSE SYSTEMS COMMAND | | 11176409-7 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 11176409-7 | 38597 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| PACKING RECESS DIAMETER | 0.728 INCHES MINIMUM AND 0.738 INCHES MAXIMUM | | MATERIAL | STEEL COMP 304 OVERALL | | NOMINAL THREAD SIZE | 0.562 INCHES | | NOMINAL TUBE OUTSIDE DIAMETER | 0.375 INCHES | | NUT HEIGHT | 0.809 INCHES MINIMUM AND 0.813 INCHES MAXIMUM | | NUT STYLE | TUBE FITTING LOCKNUT | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) | | THREAD QUANTITY PER INCH | 18 | | WIDTH ACROSS FLATS | 0.809 INCHES MINIMUM AND 0.816 INCHES MAXIMUM |
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