4810-00-511-1360, SEAT,VALVE

National Stock Number:
4810-00-511-1360

Federal Supply Class:
4810

National Item Identification Number:
005111360

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:

640-2-11	57817	TACTAIR FLUID CONTROLS INC PHOENIX CONTROLS DIV
640-2-11	70236	TACTAIR FLUID CONTROLS INC

Techincal Specification:

FLANGE DIAMETER	0.749 INCHES MINIMUM AND
	0.750 INCHES MAXIMUM
BODY OUTSIDE DIAMETER	0.571 INCHES MINIMUM AND
	0.573 INCHES MAXIMUM
BODY INSIDE DIAMETER	0.375 INCHES MINIMUM AND
	0.376 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT	0.273 INCHES MINIMUM AND
	0.315 INCHES MAXIMUM
UNDER FLANGE HEIGHT	0.402 INCHES MINIMUM AND
	0.444 INCHES MAXIMUM
MATERIAL	STEEL CORROSION RESISTING OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763 TYPE 440C FED SPEC SINGLE MATERIAL RESPONSE OR
	MIL-S-853 CLASS 6 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-S-5002 MIL SPEC ALL TREATMENT RESPONSES OVERALL
HARDNESS RATING	43.0 ROCKWELL C MINIMUM AND
	47.0 ROCKWELL C MAXIMUM OVERALL
SEATING SURFACE SHAPE	ANGULAR
SEAL ACCOMMODATION TYPE	GROOVED
SPECIAL FEATURES	CRES MIL-S-853 ROCKWELL HARDNESS C SCALE 38 MIN TO 40 MAX
TEST DATA DOCUMENT	81349-MIL-I-6868 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
THE MANUFACTURERS DATA
MANUFACTURERS CODE	57817
DESIGN CONTROL REFERENCE	640-2-11

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