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National Stock Number:
4730-00-277-2456
Federal Supply Class:
4730
National Item Identification Number:
002772456
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:
| 3117206 | 001JK | EMBRAER S.A. DBA EMBRAER | | 3117206 | S4956 | EMBRAER EMPRESA BRASILEIRA DE AERONAUTICA SA | | AN939D5 | 00624 | EATON AEROQUIP LLC | | AN939D5 | 06581 | ALLAN AIRCRAFT SUPPLY CO., LLC | | AN927D5 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | AN939 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | AS5190W05 | 0U583 | SAE INTERNATIONAL | | AN939D5 | 13899 | HYDRO-FITTING MANUFACTURING CORPORATION | | AN939D5 | 14397 | FABER ENTERPRISES, INC. | | AN939D5 | 22995 | CROWN FITTING CO INC | | AN939D5 | 30974 | AEROFIT, LLC | | AN939D5 | 71563 | COLLINS ENGINEERING CORP | | AN939D5 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | AN939D5 | 92003 | PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS | | SAE-AS4875 | 0U583 | SAE INTERNATIONAL | | NA939D5 | 50948 | PARKER HANNIFIN CORP STRATOFLEX DIV AIRCRAFT FITTINGS OPN | | AS5190W05 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |
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Techincal Specification:
| CONNECTION STYLE | GASKET SEAL (BOSS) ALL ENDS | | CONNECTION TYPE | THREADED INTERNAL BOSS ALL ENDS | | FLOW ANGLE | 90.0 DEGREES | | LEG LENGTH | 0.812 INCHES NOMINAL ALL ENDS | | MATERIAL | ALUMINUM ALLOY OVERALL | | NOMINAL THREAD SIZE | 0.500 INCHES ALL ENDS | | SURFACE TREATMENT | ANODIZE OVERALL | | THREAD CLASS | 3B ALL ENDS | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS |
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