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National Stock Number:
4730-00-277-1916
Federal Supply Class:
4730
National Item Identification Number:
002771916
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:
| AN9267-12 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | AN927-12 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | AN939-12 | 00624 | EATON AEROQUIP LLC | | AN939-12 | 06581 | ALLAN AIRCRAFT SUPPLY CO., LLC | | AN939-12 | 13899 | HYDRO-FITTING MANUFACTURING CORPORATION | | AN939-12 | 22995 | CROWN FITTING CO INC | | AS5190 | 0U583 | SAE INTERNATIONAL | | AS5190-12 | 0U583 | SAE INTERNATIONAL | | AN939-12 | 30974 | AEROFIT, LLC | | AN939-12 | 71563 | COLLINS ENGINEERING CORP | | AS5190-12 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | AS5190 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | AN939-12 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | AN939-12 | R1120 | SATAIR A/S | | SAE-AS4875 | 0U583 | SAE INTERNATIONAL |
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Techincal Specification:
| CONNECTION STYLE | GASKET SEAL (BOSS) ALL ENDS | | CONNECTION TYPE | THREADED INTERNAL BOSS ALL ENDS | | CRITICALITY CODE JUSTIFICATION | FEAT | | FLOW ANGLE | 90.0 DEGREES | | LEG LENGTH | 1.359 INCHES NOMINAL ALL ENDS | | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1137 OR STEEL COMP 4140 OR STEEL COMP 4130 OR STEEL COMP 1141 OVERALL | | MAXIMUM OPERATING TEMP | -65.0 FAHRENHEIT SECOND RESPONSE | | MAXIMUM OPERATING TEMP | 225.0 FAHRENHEIT FIRST RESPONSE | | NOMINAL THREAD SIZE | 1.062 INCHES ALL ENDS | | SPECIAL FEATURES | WEAPON SYSTEM ESSENTIAL | | SPECIFICATION/STANDARD DATA | 88044-AN939 GOVERNMENT STANDARD | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 3B ALL ENDS | | THREAD SERIES DESIGNATOR | UN ALL ENDS | | THREAD QUANTITY PER INCH | 12 ALL ENDS |
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