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National Stock Number:
4730-00-278-9321
Federal Supply Class:
4730
National Item Identification Number:
002789321
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:
| AN928-12 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | AN941-12 | 06581 | ALLAN AIRCRAFT SUPPLY CO., LLC | | AN941-12 | 13899 | HYDRO-FITTING MANUFACTURING CORPORATION | | AN941-12 | 14397 | FABER ENTERPRISES, INC. | | AN941-12 | 14798 | DESIGNED METAL CONNECTIONS INC | | AN941-12 | 17341 | TECH AERO INC | | AS4875 | 0U583 | SAE INTERNATIONAL | | AS5191-12 | 0U583 | SAE INTERNATIONAL | | AN941-12 | 22995 | CROWN FITTING CO INC | | AN941-12 | 30974 | AEROFIT, LLC | | AN941-12 | 71563 | COLLINS ENGINEERING CORP | | AS5191-12 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | AS4875 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | AN941-12 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | 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 | | FLOW ANGLE | 45.0 DEGREES | | LEG LENGTH | 1.203 INCHES MINIMUM AND 1.219 INCHES MAXIMUM FIRST END | | LEG LENGTH | 1.203 INCHES NOMINAL SECOND END | | MATERIAL DOCUMENT AND CLASSIFICATION | 66,AISI/SAE 1137,4130,4140 OR 1141 FED STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1137 OR STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 1141 OVERALL | | MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID SINGLE RESPONSE | | NOMINAL THREAD SIZE | 1.062 INCHES FIRST END | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 2 FED SPEC 1ST TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND PAINT OVERALL | | THREAD CLASS | 3B ALL ENDS | | THREAD QUANTITY PER INCH | 12 FIRST END | | THREAD SERIES DESIGNATOR | UN ALL ENDS |
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