4730-00-277-6430 ELBOW,TUBE TO BOSS Index 4730-00-277-6433 ELBOW,BOSS

National Stock Number:
4730-00-277-6431

Federal Supply Class:
4730

National Item Identification Number:
002776431

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.


Manufacturer Information:
AN928D1688044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
AN941D1624378DIESEL PARTS CO OF CALIFORNIA
AS48750U583SAE INTERNATIONAL
AN941D1671563COLLINS ENGINEERING CORP
AS487581343SOCIETY OF AUTOMOTIVE ENGINEERS INC
AN941D1688044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
AS51910U583SAE INTERNATIONAL
AS5191W160U583SAE INTERNATIONAL
SAE-AS48750U583SAE INTERNATIONAL
AS5191W1681343SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS519181343SOCIETY OF AUTOMOTIVE ENGINEERS INC


Techincal Specification:
CONNECTION TYPETHREADED INTERNAL BOSS ALL ENDS
MATERIALSTEEL COMP 1137 OR
STEEL COMP 4130 OR
STEEL COMP 4140 OR
STEEL COMP 1141 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE
MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE
CONNECTION STYLEGASKET SEAL (BOSS) ALL ENDS
THREAD SERIES DESIGNATORUN ALL ENDS
NOMINAL THREAD SIZE1.312 INCHES ALL ENDS
THREAD QUANTITY PER INCH12 ALL ENDS
THREAD CLASS3B ALL ENDS
LEG LENGTH1.344 INCHES NOMINAL ALL ENDS
FLOW ANGLE45.0 DEGREES


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