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National Stock Number:
4730-01-213-4182
Federal Supply Class:
4730
National Item Identification Number:
012134182
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:
| N20520A | 00624 | EATON AEROQUIP LLC | | N20520A | 08118 | EATON AVIATION CORPORATION |
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Techincal Specification:
| HOLE TYPE AND QUANTITY | 8 DRILLED | | MATERIAL | ALUMINUM ALLOY 2024 OVERALL | | NOMINAL THREAD SIZE | 2.750 INCHES | | NOMINAL TUBE OUTSIDE DIAMETER | 2.000 INCHES | | NUT HEIGHT | 0.406 INCHES NOMINAL | | SPECIAL FEATURES | DYED BLUE | | SURFACE TREATMENT | ANODIZE OVERALL | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 16 | | THREAD SERIES | UN |
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