4730-00-277-6453 NUT,TUBE COUPLING Index 4730-00-277-6457 NIPPLE,TUBE

National Stock Number:
4730-00-277-6455

Federal Supply Class:
4730

National Item Identification Number:
002776455

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.


Manufacturer Information:
AN925D1288044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
AN937D1200624EATON AEROQUIP LLC
AN937D1206581ALLAN AIRCRAFT SUPPLY CO., LLC
AN937D1213899HYDRO-FITTING MANUFACTURING CORPORATION
AN937D1222995CROWN FITTING CO INC
AN937D1234724ACRA AEROSPACE, LLC
AS48750U583SAE INTERNATIONAL
AN937D1271563COLLINS ENGINEERING CORP
AS487581343SOCIETY OF AUTOMOTIVE ENGINEERS INC
MIL-F-550981349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MILF550981349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
AN937D1288044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
AN937D12A0126LEONARDO SPA HELICOPTERS DIVISION -PRODUCTION SITE


Techincal Specification:
CONNECTION STYLEGASKET SEAL (BOSS) ALL ENDS
CONNECTION TYPETHREADED INTERNAL BOSS ALL ENDS
LEG LENGTH1.894 INCHES MAXIMUM FOURTH END
LEG LENGTH1.894 INCHES MAXIMUM THIRD END
LEG LENGTH1.359 INCHES MINIMUM AND 1.890 INCHES MAXIMUM FIRST END
LEG LENGTH1.359 INCHES MINIMUM AND 1.890 INCHES MAXIMUM SECOND END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/4,T6 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/6,T6 FED SPEC 2ND MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2014 OR ALUMINUM ALLOY 2024 OVERALL
MAXIMUM OPERATING TEMP225.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID SINGLE RESPONSE
NOMINAL THREAD SIZE1.062 INCHES ALL ENDS
SPECIFICATION/STANDARD DATA88044-AN937 GOVERNMENT STANDARD AND 81343-AS4875 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 2,CL 2,ANODIZED BLUE MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
THREAD CLASS3B ALL ENDS
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT (UNJ) ALL ENDS
THREAD QUANTITY PER INCH12 ALL ENDS


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