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National Stock Number:
4730-01-087-2093
Federal Supply Class:
4730
National Item Identification Number:
010872093
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:
| AN941D20 | 81352 | AIR FORCE-NAVY AERONAUTICAL SPECIFICATIONS PROMULGATED BY AERONAUTICAL STANDARDS GROUP | | AN941D20 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | AS4875 | 0U583 | SAE INTERNATIONAL | | AS4875 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | MIL-F-5509 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| CONNECTION TYPE | THREADED INTERNAL BOSS ALL ENDS | | CONNECTION STYLE | GASKET SEAL (BOSS) ALL ENDS | | FLOW ANGLE | 45.0 DEGREES | | LEG LENGTH | 1.453 INCHES NOMINAL ALL ENDS | | MATERIAL | ALUMINUM ALLOY OVERALL | | MAXIMUM OPERATING TEMP | 3000.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID SINGLE RESPONSE | | NOMINAL THREAD SIZE | 1.625 INCHES 1ST END | | SPECIFICATION/STANDARD DATA | 88044-AN941 GOVERNMENT STANDARD AND 81343-AS4875 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE OVERALL | | THREAD CLASS | 3B ALL ENDS | | THREAD QUANTITY PER INCH | 12 1ST END | | THREAD SERIES DESIGNATOR | UNJ ALL ENDS |
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