4820-00-976-4736, SEAT,VALVE

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:

35739000633	52081	EURAMCO SAFETY INC
633NF7054	82328	DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE
717037	0BR59	SIEMENS GOVERNMENT TECHNOLOGIES, INC.
717037	82328	DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE
717037	830Q4	CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
717037	8FGX3	CURTISS-WRIGHT ELECTRO-MECHANICAL CORP
NF-7054	10001	NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
NF-7054PIECE633	10001	NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
NF-7054 PC 633	30794	LOWE CHARLES M CO THE
NF7054	82328	DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE
NF7054PC633	82328	DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE

Techincal Specification:

STYLE DESIGNATOR	THREADED FLANGED
FLANGE DIAMETER	1.061 INCHES MINIMUM AND
	1.062 INCHES MAXIMUM
BODY INSIDE DIAMETER	0.250 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT	0.470 INCHES MINIMUM AND
	0.475 INCHES MAXIMUM
UNDER FLANGE HEIGHT	0.337 INCHES MINIMUM AND
	0.342 INCHES MAXIMUM
MATERIAL	STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763,CLASS 420 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING	28.0 ROCKWELL C MINIMUM AND
	34.0 ROCKWELL C MAXIMUM BODY
	28.0 ROCKWELL C MINIMUM AND
	34.0 ROCKWELL C MAXIMUM FACE
SEATING SURFACE SHAPE	ANGULAR
SEAT ANGLE IN DEG	7.500 NOMINAL
THREAD SERIES DESIGNATOR	UNF SINGLE THREADED PORTION
NOMINAL THREAD SIZE	0.625 INCHES SINGLE THREADED PORTION
THREAD CLASS	3A SINGLE THREADED PORTION
THREAD LENGTH	0.337 INCHES MINIMUM AND
	0.342 INCHES MAXIMUM SINGLE THREADED PORTION
THE MANUFACTURERS DATA
MANUFACTURERS CODE	0BR59
DESIGN CONTROL REFERENCE	717037

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