National Item Identification Number
00-399-2553
003992553
4820-00-399-2553
4820-00-399-2553
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)
86184
86184
86184
Reference Numbers (Part Numbers)
C3770
C3770K
TV5496
Required Categories
STYLE DESIGNATOR
FLANGE DIAMETER
BODY INSIDE DIAMETER
FLANGE SEAT TO DISK END
Required Description
B1 THREADED FLANGED
1.750 INCHES NOMINAL
0.375 INCHES NOMINAL
0.219 INCHES NO
