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National Stock Number:
4730-01-296-2966
Federal Supply Class:
4730
National Item Identification Number:
012962966
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:
| 65317-03217 | 78286 | SIKORSKY AIRCRAFT CORPORATION | | 65317-03217-106 | 73030 | HAMILTON SUNDSTRAND CORPORATION | | 65317-03217-106 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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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) 1ST END | | CONNECTION STYLE | GASKET SEAL (BOSS) 2ND END | | FLOW ANGLE | 90.0 DEGREES | | LEG LENGTH | 1.500 INCHES NOMINAL 1ST END | | LEG LENGTH | 1.500 INCHES NOMINAL 2ND END | | MATERIAL | STEEL COMP 8630 OVERALL | | MEDIA FOR WHICH DESIGNED | FUEL SINGLE RESPONSE | | NOMINAL OVERALL LENGTH | 3.000 INCHES | | NOMINAL THREAD SIZE | 0.875 INCHES 2ND END | | NOMINAL THREAD SIZE | 0.875 INCHES 1ST END | | SPECIAL FEATURES | IN SQ COMPRESSION PLATE CENTER HOLE 1.138IN DIA. W/4 0.328 MTG HOLES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MILL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE OVERALL | | THREAD CLASS | 3B 2ND END | | THREAD CLASS | 3B 1ST END | | THREAD SERIES DESIGNATOR | UNJF 2ND END | | THREAD SERIES DESIGNATOR | UNJF 1ST END |
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