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National Stock Number:
4730-00-289-5974
Federal Supply Class:
4730
National Item Identification Number:
002895974
Description:
CROSS,BOSS
Detail:
A FITTING HAVING FOUR BRANCHES IN THE SAME PLANE WHOSE AXES FORM RIGHT ANGLES. THE BOSS CONNECTIONS FOR ITEMS SUCH AS TANKS, HOUSINGS, VALVE FITTINGS, AND THE LIKE, HAVE INTERNAL OR EXTERNAL 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 INLET(S). EXCLUDES CROSS, TUBE.
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Manufacturer Information:
| AN937D20 | 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 | | LEG LENGTH | 1.734 INCHES NOMINAL ALL ENDS | | MATERIAL | ALUMINUM ALLOY 2014 OR ALUMINUM ALLOY 2024 OVERALL | | NOMINAL THREAD SIZE | 1.625 INCHES ALL ENDS | | SPECIFICATION/STANDARD DATA | 88044-AN937 GOVERNMENT STANDARD AND 81343-AS4875 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD | | 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 | 12 ALL ENDS | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT (UNJ) ALL ENDS |
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