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National Stock Number:
4730-00-770-9569
Federal Supply Class:
4730
National Item Identification Number:
007709569
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:
| 50N-8-304SS | 99565 | ADMIRAL VALVE LLC | | 50N8 | 17077 | LOCKHEED MARTIN CORPORATION | | 6N50-8,CD | 32142 | HYDRASEARCH COMPANY, LLC | | 6N50-8,CD | 54716 | HYDRASEARCH CO., INC. DBA USE CAGE CODE 32142 FOR CATALOGING | | 6N508 | 54716 | HYDRASEARCH CO., INC. DBA USE CAGE CODE 32142 FOR CATALOGING | | 50N8 | 99565 | ADMIRAL VALVE LLC | | MIS17356-1-1 | 04939 | LOCKHEED MARTIN CORPORATION | | MIS17356-1-1 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | A6UN50-8-DF | 4Y217 | AMERICAN PIPING ACCESSORIES CO INC |
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Techincal Specification:
| THREAD SERIES | UN | | NOMINAL THREAD SIZE | 3.750 INCHES | | THREAD QUANTITY PER INCH | 12 | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | STEEL COMP 304 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | NUT STYLE | HEXAGON | | SHOULDER WIDTH | 0.317 INCHES MINIMUM AND | | 0.344 INCHES MAXIMUM | | NUT HEIGHT | 1.500 INCHES NOMINAL | | WIDTH ACROSS FLATS | 4.125 INCHES MINIMUM | | SMALLEST INSIDE DIAMETER | 3.190 INCHES NOMINAL | | SHOULDER STEP WIDTH | 0.359 INCHES MINIMUM AND | | 0.375 INCHES MAXIMUM | | SHOULDER SEAT DIAMETER | 3.484 INCHES MINIMUM AND | | 3.516 INCHES MAXIMUM | | MAXIMUM WORKING PRESSURE RATING AND SERVICE FOR WHICH DESIGNED | 3000.0 POUNDS PER SQUARE INCH WATER AND | | 30000.0 POUNDS PER SQUARE INCH OIL |
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