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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 TYPE | THREADED INTERNAL BOSS ALL ENDS | | MATERIAL | STEEL COMP 1137 OR | | STEEL COMP 4130 OR | | STEEL COMP 4140 OR | | STEEL COMP 1141 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | 66,AISI/SAE 1137,4130,4140 OR 1141 FED STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND | | PAINT OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 2 FED SPEC 1ST TREATMENT RESPONSE OVERALL | | MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID SINGLE RESPONSE | | CONNECTION STYLE | GASKET SEAL (BOSS) ALL ENDS | | THREAD SERIES DESIGNATOR | UN ALL ENDS | | NOMINAL THREAD SIZE | 1.062 INCHES 1ST END | | THREAD QUANTITY PER INCH | 12 1ST END | | THREAD CLASS | 3B ALL ENDS | | LEG LENGTH | 1.203 INCHES MINIMUM AND | | 1.219 INCHES MAXIMUM 1ST END | | 1.203 INCHES NOMINAL 2ND END | | FLOW ANGLE | 45.0 DEGREES |
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