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National Stock Number:
4730-00-625-9431
Federal Supply Class:
4730
National Item Identification Number:
006259431
Description:
ELBOW,BOSS
Detail:
A FITTING THAT FORMS AN ANGLE OF LESS THAN 180 DEGREES (3.141 RADIANS) FROM THE STRAIGHT FLOW. THE BOSS CONNECTIONS HAVE EXTERNAL AND/OR INTERNAL MACHINE THREADS (STRAIGHT THREADS OTHER THAN PIPE OR HOSE SERIES), AND ARE DESIGNED TO FACILITATE A GASKET, PREFORMED PACKING, WASHER, OR THE LIKE, TO FORM A SEAL AT THE BOSS. IT MAY HAVE SIDE OR HEEL INLET(S). IT IS DESIGNED TO JOIN TWO BOSSES OR BOSS FITTINGS ON ITEMS SUCH AS TANKS, HOUSINGS, VALVE FITTINGS, AND THE LIKE. EXCLUDES ELBOW, TUBE.
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Manufacturer Information:
| 73083 | 89446 | HILLER AIRCRAFT CORPORATION |
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Techincal Specification:
| CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END | | CONNECTION STYLE | GASKET SEAL (BOSS) FIRST END | | CONNECTION TYPE | THREADED EXTERNAL BOSS SECOND END | | CONNECTION TYPE | THREADED INTERNAL BOSS FIRST END | | FLOW ANGLE | 90.0 DEGREES | | LEG LENGTH | 1.938 INCHES NOMINAL SECOND END | | LEG LENGTH | 1.380 INCHES NOMINAL FIRST END | | NOMINAL THREAD SIZE | 1.062 INCHES FIRST END | | NOMINAL THREAD SIZE | 1.062 INCHES SECOND END | | THREAD CLASS | 3A SECOND END | | THREAD CLASS | 3B FIRST END | | THREAD SERIES DESIGNATOR | UN FIRST END | | THREAD SERIES DESIGNATOR | UN SECOND END | | THREAD QUANTITY PER INCH | 12 SECOND END |
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