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National Stock Number:
4730-00-659-4618
Federal Supply Class:
4730
National Item Identification Number:
006594618
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:
| AFP104D20 | 30974 | AEROFIT, LLC | | BACN10DR | 81205 | THE BOEING COMPANY | | BACN10DR20D | 81205 | THE BOEING COMPANY | | BACN10DR20D | 82918 | THE BOEING COMPANY |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY 2024 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL TUBE OUTSIDE DIAMETER | 1.250 INCHES | | NOMINAL THREAD SIZE | 1.625 INCHES | | NUT HEIGHT | 0.406 INCHES NOMINAL | | NUT STYLE | TUBE FITTING LOCKNUT | | PACKING RECESS DEPTH | 0.125 INCHES NOMINAL | | PACKING RECESS DIAMETER | 1.625 INCHES NOMINAL | | SPECIAL FEATURES | TWO DRILLED LOCKWIRE HOLES IN HEX 180 DEG APART,0.070 IN. DIA HOLE;1.828 IN. C TO C OF HOLES | | WIDTH ACROSS FLATS | 1.938 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE OVERALL | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 12 | | THREAD SERIES | UNJ |
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