4730-01-199-7953 FLANGE,PIPE,BLIND Index 3010-01-199-7956 COUPLING HALF,SHAFT

National Stock Number:
4730-01-199-7954

Federal Supply Class:
4730

National Item Identification Number:
011997954

Description:
FLANGE,PIPE

Detail:
An item solid or split into halves, having a threaded or unthreaded hole for the purpose of connecting or retaining a pipe, tube, or hose fitting. The face of the flange may be smooth, grooved, or serrated and may be drilled for connecting bolts or studs. If the item is unthreaded, the pipe or tube may be retained by welding, brazing, compression, or the like. Excludes FLANGE, PIPE, BLIND; FERRULE, GROOVED CLAMP COUPLING; and ADAPTER (as modified).


Manufacturer Information:
1210C18240DHG4GULF COAST HOLDINGS INC DBA UNIDYNAMICS
1210C182454497MARTIN MARIETTA TECHNOLOGIES INC SUB OF MARTIN MARIETTA CORP AERO AND NAVAL SYSTEMS
1210C182495310UNIDYNAMICS/SAINT LOUIS INC CONROE OPNS
1210C182498523JERED LLC
1213E166554497MARTIN MARIETTA TECHNOLOGIES INC SUB OF MARTIN MARIETTA CORP AERO AND NAVAL SYSTEMS
1213E1665 FIND 11354497MARTIN MARIETTA TECHNOLOGIES INC SUB OF MARTIN MARIETTA CORP AERO AND NAVAL SYSTEMS


Techincal Specification:
BOLT CIRCLE DIAMETER2.875 INCHES NOMINAL
BOLT HOLE DIAMETER0.288 INCHES MINIMUM AND 0.295 INCHES MAXIMUM
BOLT HOLE QUANTITY4
FACE SEATING SURFACE CONDITIONGROUND
FLANGE DIAMETER3.750 INCHES NOMINAL
FLANGE SECTION STYLERECESSED FACE, RAISED NECK
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 304
NECK HEIGHT0.750 INCHES NOMINAL
NOMINAL PIPE SIZE FOR WHICH DESIGNED1.875 INCHES
RECESS DEPTH0.130 INCHES NOMINAL
RECESS DIAMETER1.875 INCHES NOMINAL
STYLE DESIGNATORROUND, ONE BOLT HOLE CIRCLE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTPASSIVATE
THICKNESS0.250 INCHES NOMINAL


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