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National Stock Number:
4730-00-277-2458
Federal Supply Class:
4730
National Item Identification Number:
002772458
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:
| 3111496 | 001JK | EMBRAER S.A. DBA EMBRAER | | 3111496 | FB459 | EMBRAER AVIATION INTERNATIONAL | | AN927-8D | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | AN927D8 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | AN939-8D | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | 3111496 | S4956 | EMBRAER EMPRESA BRASILEIRA DE AERONAUTICA SA | | AS4875 | 0U583 | SAE INTERNATIONAL | | AS5190D08 | 0U583 | SAE INTERNATIONAL | | SAE-AS4875 | 0U583 | SAE INTERNATIONAL | | AN939D8 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | AN939DS | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |
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Techincal Specification:
| CONNECTION TYPE | THREADED INTERNAL BOSS ALL ENDS | | MATERIAL | ALUMINUM ALLOY 2014 OR | | ALUMINUM ALLOY 2024 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/4,T6 FED SPEC 1ST MATERIAL RESPONSE OR | | QQ-A-225/6,T6 FED SPEC 2ND MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID 1ST RESPONSE | | OXYGEN, GASEOUS 2ND RESPONSE | | MAXIMUM OPERATING TEMP | 225.0 DEG FAHRENHEIT 1ST RESPONSE | | -65.0 DEG FAHRENHEIT 2ND RESPONSE | | CONNECTION STYLE | GASKET SEAL (BOSS) ALL ENDS | | THREAD SERIES DESIGNATOR | UNJF ALL ENDS | | NOMINAL THREAD SIZE | 0.750 INCHES ALL ENDS | | THREAD CLASS | 3B ALL ENDS | | LEG LENGTH | 1.000 INCHES MINIMUM AND | | 1.078 INCHES MAXIMUM 1ST END | | 1.000 INCHES MINIMUM 2ND END | | FLOW ANGLE | 90.0 DEGREES |
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