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National Stock Number:
4730-01-031-8872
Federal Supply Class:
4730
National Item Identification Number:
010318872
Description:
NUT,UNION
Detail:
AN INTERNALLY THREADED NUT WHICH HAS AN INTERNAL SEAT OR SHOULDER DESIGNED TO ENGAGE THE NUT RETAINING FLANGE OF A UNION TAILPIECE. THE THREADED PORTION IS USED TO ENGAGE THE THREAD PIECE OF A UNION, UNION ELBOR OR THE LIKE. EXCLUDES NUT (1), TUBE COUPLING.
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Manufacturer Information:
| 810-1385884 PIECE 8 2IN | 53711 | NAVAL SEA SYSTEMS COMMAND | | 810-1385884 PIECE 8 2INL1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | ZZZY | | MATERIAL | NICKEL ALLOY OR STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD SIZE | 3.750 INCHES | | NUT STYLE | HEXAGON | | NUT HEIGHT | 1.500 INCHES NOMINAL | | SMALLEST INSIDE DIAMETER | 3.190 INCHES NOMINAL | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS | | SHOULDER SEAT DIAMETER | 3.750 INCHES NOMINAL | | SHOULDER STEP WIDTH | 0.375 INCHES NOMINAL | | SHOULDER WIDTH | 0.313 INCHES NOMINAL | | WIDTH ACROSS FLATS | 4.375 INCHES NOMINAL | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 12 | | THREAD SERIES | UN |
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