2825-00-976-4735 ROTOR,TURBINE Index 2825-00-976-4737 BLADE SET,STEAM TURBINE

National Stock Number:
4820-00-976-4736

Federal Supply Class:
4820

National Item Identification Number:
009764736

Description:
SEAT,VALVE

Detail:
A replaceable item designed to provide a circular stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see INSERT, ENGINE VALVE SEAT.


Manufacturer Information:
3573900063352081EURAMCO SAFETY INC
633NF705482328DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE
7170370BR59SIEMENS GOVERNMENT TECHNOLOGIES, INC.
71703782328DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE
717037830Q4CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
7170378FGX3CURTISS-WRIGHT ELECTRO-MECHANICAL CORP
NF-705410001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
NF-7054 PC 63330794LOWE CHARLES M CO THE
NF-7054PIECE63310001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
NF705482328DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE
NF7054PC63382328DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE


Techincal Specification:
BODY INSIDE DIAMETER0.250 INCHES NOMINAL
FLANGE DIAMETER1.061 INCHES MINIMUM AND 1.062 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT0.470 INCHES MINIMUM AND 0.475 INCHES MAXIMUM
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM BODY
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM FACE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CLASS 420 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.625 INCHES SINGLE THREADED PORTION
SEAT ANGLE IN DEG7.500 NOMINAL
SEATING SURFACE SHAPEANGULAR
STYLE DESIGNATORTHREADED FLANGED
THREAD CLASS3A SINGLE THREADED PORTION
THREAD LENGTH0.337 INCHES MINIMUM AND 0.342 INCHES MAXIMUM SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUNF SINGLE THREADED PORTION
UNDER FLANGE HEIGHT0.337 INCHES MINIMUM AND 0.342 INCHES MAXIMUM


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