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National Stock Number:
4730-01-477-0502
Federal Supply Class:
4730
National Item Identification Number:
014770502
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:
| AN6289-4K | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | AN6289K4 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | MIL-F-5509 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| PACKING RECESS DEPTH | 0.042 INCHES NOMINAL | | PACKING RECESS DIAMETER | 0.608 INCHES NOMINAL | | MATERIAL | STEEL COMP 316 OVERALL | | NOMINAL THREAD SIZE | 0.438 INCHES | | NOMINAL TUBE OUTSIDE DIAMETER | 0.250 INCHES | | NUT STYLE | TUBE FITTING LOCKNUT | | WIDTH ACROSS FLATS | 0.688 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 TYPE 2 CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3B | | THREAD SERIES | UNF | | THREAD QUANTITY PER INCH | 20 |
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