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National Stock Number:
4730-00-800-4789
Federal Supply Class:
4730
National Item Identification Number:
008004789
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:
| MIL-F-18866 | 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 | 0.552 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL TUBE OUTSIDE DIAMETER | 0.313 INCHES | | NOMINAL THREAD SIZE | 0.500 INCHES | | NONDEFINITIVE SPEC/STD DATA | 25 FIGURE | | NUT HEIGHT | 0.719 INCHES NOMINAL | | NUT STYLE | TUBE COUPLING | | SEAT ANGLE | 40.00 DEGREES NOMINAL | | SMALLEST INSIDE DIAMETER | 0.318 INCHES NOMINAL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES | UNF | | WIDTH ACROSS FLATS | 0.625 INCHES NOMINAL |
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