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National Stock Number:
4730-00-278-3682
Federal Supply Class:
4730
National Item Identification Number:
002783682
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:
| 71910041001 | 89944 | ELBITAMERICA, INC. | | 946.21.44.111 | S4080 | PILATUS AIRCRAFT LTD | | AN939D4 | 00624 | EATON AEROQUIP LLC | | AN939D4 | 06581 | ALLAN AIRCRAFT SUPPLY CO., LLC | | AN927D4 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | AN939-4D | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | AN939D4 | 13899 | HYDRO-FITTING MANUFACTURING CORPORATION | | AN939D4 | 14397 | FABER ENTERPRISES, INC. | | AN939D4 | 14798 | DESIGNED METAL CONNECTIONS INC | | AN939D4 | 22995 | CROWN FITTING CO INC | | AN939D4 | 30974 | AEROFIT, LLC | | AN939D4 | 71563 | COLLINS ENGINEERING CORP | | AN939D4 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | AN939D4 | R1120 | SATAIR A/S | | AS4875 | 0U583 | SAE INTERNATIONAL | | AS5190 | 0U583 | SAE INTERNATIONAL | | AS5190W04 | 0U583 | SAE INTERNATIONAL | | SAE-AS4875 | 0U583 | SAE INTERNATIONAL | | AS5190W04 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | AS5190 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | AS4875 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | AN939W4 | 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 | 0.742 INCHES MINIMUM AND 0.758 INCHES MAXIMUM ALL ENDS | | MATERIAL | ALUMINUM ALLOY OVERALL | | NOMINAL THREAD SIZE | 0.438 INCHES ALL ENDS | | SPECIAL FEATURES | END ITEM: GRUMMAN A10 AIRCRAFT | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE | | SURFACE TREATMENT | ANODIZE OVERALL | | THREAD CLASS | 3B ALL ENDS | | THREAD QUANTITY PER INCH | 20 ALL ENDS | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS |
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