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National Stock Number:
4730-01-105-3911
Federal Supply Class:
4730
National Item Identification Number:
011053911
Description:
NUT,TUBE COUPLING
Detail:
AN INTERNALLY THREADED NUT WHICH HAS EITHER AN INTERNAL SEAT OR SHOULDER AND/OR IS DESIGNED TO BE USED WITH A FERRULE, TO MATE WITH THE SEAT OF AN EXTERNALLY THREADED TUBE FITTING TO FORM A LEAKPROOF CONNECTION. EXCLUDES NUT (1), TUBE COUPLING, REDUCING; AND NUT (1), UNION.
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Manufacturer Information:
| A818-20 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | AN818-20 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | AS4841 | 0U583 | SAE INTERNATIONAL | | SAE-AS4841 | 0U583 | SAE INTERNATIONAL |
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Techincal Specification:
| LENGTH TO SHOULDER | 1.017 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD SIZE | 1.625 INCHES | | NOMINAL TUBE OUTSIDE DIAMETER | 1.250 INCHES | | NUT HEIGHT | 1.214 INCHES MINIMUM AND 1.234 INCHES MAXIMUM | | NUT STYLE | TUBE COUPLING | | SMALLEST INSIDE DIAMETER | 1.347 INCHES MINIMUM AND 1.350 INCHES MAXIMUM | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 12 | | THREAD SERIES | UNIFIED NATIONAL JOINT (UNJ) | | WIDTH ACROSS FLATS | 1.984 INCHES MINIMUM AND 2.016 INCHES MAXIMUM |
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