National Item Identification Number
01-290-4469
012904469
4820-01-290-4469
4820-01-290-4469
National Stock Number
Item Name
SEAT,VALVE
Federal Supply Class
4820
Description
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.
Commercial and Government Entity Code (Supplier Data)
1CC97
NORTHROP GRUMMAN SHIP SYSTEMS INC.
DIV AVONDALE OPERATIONS - NEW
5100 RIVER ROAD
AVONDALE
LA
70094
504-436-5112
3B017
AVONDALE INDUSTRIES INC
MODULAR CONSTRUCTION DIV
550 MODERN FARMS RD
WESTWEGO
LA
70094
504-436-9500
09032
TATE ANDALE INC
DBA TATE TEMPCO
1941 LANSDOWNE RD
BALTIMORE
MD
21227
410-247-8700
Reference Numbers (Part Numbers)
M44-3-258C SH NO 20
M44-3-258C SH NO 20
499505560060449
Required Categories
STYLE DESIGNATOR
FLANGE DIAMETER
BODY INSIDE DIAMETER
FLANGE SEAT TO DISK END
Required Description
B2 THREADED FLANGED
5.875 INCHES NOMINAL
4.625 INCHES NOMINAL
0.375 INCHES NO
