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National Stock Number:
4730-00-485-9268
Federal Supply Class:
4730
National Item Identification Number:
004859268
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:
| 161-58117 | 43999 | THE BOEING COMPANY |
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Techincal Specification:
| CONNECTION TYPE | THREADED INTERNAL BOSS SECOND END | | CONNECTION TYPE | THREADED INTERNAL BOSS FIRST END | | CONNECTION STYLE | GASKET SEAL (BOSS) ALL ENDS | | FLOW ANGLE | 90.0 DEGREES | | LEG LENGTH | 1.000 INCHES NOMINAL SECOND END | | LEG LENGTH | 0.688 INCHES NOMINAL FIRST END | | MATERIAL | ALUMINUM ALLOY OVERALL | | NOMINAL THREAD SIZE | 0.437 INCHES SECOND END | | NOMINAL THREAD SIZE | 0.500 INCHES FIRST END | | SPECIAL FEATURES | BOTH ENDS THD DIRECTION R/H | | SURFACE TREATMENT | ANODIZE OVERALL | | THREAD CLASS | 2B FIRST END | | THREAD CLASS | 2B SECOND END | | THREAD SERIES DESIGNATOR | UNF FIRST END | | THREAD SERIES DESIGNATOR | UNF SECOND END |
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