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National Stock Number:
4730-01-421-5218
Federal Supply Class:
4730
National Item Identification Number:
014215218
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:
| 6397434 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 803-63974-009 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 803-6397434-X6XXXX-009 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| THREAD SERIES | UN | | NOMINAL THREAD SIZE | 3.375 INCHES | | THREAD QUANTITY PER INCH | 12 | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | NICKEL ALLOY OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B150 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | NUT STYLE | HEXAGON | | SHOULDER WIDTH | 0.270 INCHES NOMINAL | | WIDTH ACROSS FLATS | 3.719 INCHES NOMINAL | | SMALLEST INSIDE DIAMETER | 2.762 INCHES NOMINAL | | SHOULDER STEP WIDTH | 0.250 INCHES NOMINAL | | SHOULDER SEAT DIAMETER | 1.469 INCHES NOMINAL |
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