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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 1ST END | | CONNECTION TYPE | THREADED INTERNAL BOSS 2ND END | | CONNECTION STYLE | GASKET SEAL (BOSS) ALL ENDS | | FLOW ANGLE | 90.0 DEGREES | | LEG LENGTH | 0.688 INCHES NOMINAL 1ST END | | LEG LENGTH | 1.000 INCHES NOMINAL 2ND END | | MATERIAL | ALUMINUM ALLOY OVERALL | | NOMINAL THREAD SIZE | 0.437 INCHES 2ND END | | NOMINAL THREAD SIZE | 0.500 INCHES 1ST END | | SPECIAL FEATURES | BOTH ENDS THD DIRECTION R/H | | SURFACE TREATMENT | ANODIZE OVERALL | | THREAD CLASS | 2B 1ST END | | THREAD CLASS | 2B 2ND END | | THREAD SERIES DESIGNATOR | UNF 1ST END | | THREAD SERIES DESIGNATOR | UNF 2ND END |
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