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National Stock Number:
4730-00-287-0274
Federal Supply Class:
4730
National Item Identification Number:
002870274
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:
| AN818-40D | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | AS4841 | 0U583 | SAE INTERNATIONAL | | SAE-AS4841 | 0U583 | SAE INTERNATIONAL | | AS4841 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | AS4842 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | MILF5509A | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| LENGTH TO SHOULDER | 1.328 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY OVERALL | | NOMINAL THREAD SIZE | 3.000 INCHES | | NOMINAL TUBE OUTSIDE DIAMETER | 2.500 INCHES | | NUT HEIGHT | 1.625 INCHES NOMINAL | | NUT STYLE | TUBE COUPLING | | SMALLEST INSIDE DIAMETER | 2.667 INCHES MINIMUM AND 2.670 INCHES MAXIMUM | | SURFACE TREATMENT | ANODIZE OVERALL | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES | UN | | THREAD QUANTITY PER INCH | 12 | | WIDTH ACROSS FLATS | 3.355 INCHES MINIMUM AND 3.395 INCHES MAXIMUM |
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