NSN 4820-00-825-1991

Part Details | VALVE SEAT

4820-00-825-1991 A replaceable item designed to provide a 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.

Alternate Parts: 186311PC120, 186311PC120, CMK17K5N, CMK17K5N, 186290PC120, 184450PC120, CMK17K5N, 186290PC120, 184450PC120, CMK17K5N, 186311PC120, 186290PC120, 184450PC120, CMK17K5N, 4820-00-825-1991, 00-825-1991, 4820008251991, 008251991

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48AUG 18, 196700-825-199122113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

THREADED FLANGED

Cross Reference | NSN 4820-00-825-1991
Part Number Cage Code Manufacturer
186311PC12088032CURTISS-WRIGHT ELECTRO-MECHANICALCORPORATION
186311PC1200UBG9CURTISS-WRIGHT ELECTRO-MECHANICALCORPORATION
CMK17K5N88032CURTISS-WRIGHT ELECTRO-MECHANICALCORPORATION
CMK17K5N0UBG9CURTISS-WRIGHT ELECTRO-MECHANICALCORPORATION
186290PC12088663DRESSER-RAND COINGERSOLL-RAND OPNS
184450PC12088663DRESSER-RAND COINGERSOLL-RAND OPNS
CMK17K5N88663DRESSER-RAND COINGERSOLL-RAND OPNS
186290PC1200AT62DRESSER-RAND COMPANYDBA RECIPROCATING PRODUCTS DIV
184450PC1200AT62DRESSER-RAND COMPANYDBA RECIPROCATING PRODUCTS DIV
CMK17K5N0AT62DRESSER-RAND COMPANYDBA RECIPROCATING PRODUCTS DIV
186311PC12030760INGERSOLL RAND CO
186290PC12030760INGERSOLL RAND CO
184450PC12030760INGERSOLL RAND CO
CMK17K5N30760INGERSOLL RAND CO
Technical Data | NSN 4820-00-825-1991
Characteristic Specifications
STYLE DESIGNATOR4 THREADED FLANGED
FLANGE DIAMETER2.115 INCHES MINIMUM AND 2.120 INCHES MAXIMUM
BODY OUTSIDE DIAMETER1.932 INCHES MINIMUM AND 1.937 INCHES MAXIMUM
BODY INSIDE DIAMETER0.312 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.188 INCHES NOMINAL
UNDER FLANGE HEIGHT0.188 INCHES NOMINAL
SEATING SURFACE SHAPE FLAT