National Item Identification Number
01-283-9673
012839673
4820-01-283-9673
4820-01-283-9673
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)
25685
NAVAL SHIP ENGINEERING CENTER
PHILADELPHIA DIVISION
PHILADELPHIA
PA
19112
215-226-6858
43689
43689
43689
43689
53711
53711
43689
43689
53711
53711
Reference Numbers (Part Numbers)
H8832408
2070-28
2070-28 PIECE 29
4457259
4457259 PIECE 29
522 5489289 REV-
Required Categories
STYLE DESIGNATOR
OVERALL HEIGHT
BODY OUTSIDE DIAMETER
BODY INSIDE DIAMETER
M
Required Description
B6 PLAIN
2.750 INCHES NOMINAL
0.499 INCHES NOMINAL
0.388 INCHES NOMINAL
STEE