National Item Identification Number
00-390-3763
003903763
4820-00-390-3763
4820-00-390-3763
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)
03950
NAVAL INVENTORY CONTROL POINT
MECHANICSBURG
5450 CARLISLE PIKE
2020
MECHANICSBURG
PA
17055
717-605-3500
72957
72957
72957
72957
72957
72957
72957
72957
72957
72957
Reference Numbers (Part Numbers)
H4420-390-3762PC2
NH30043PC76
NH30045PC76
NH30055PC79
NH30057-79
NH30057PC7
Required Categories
FLANGE DIAMETER
FLANGE SEAT TO DISK END HEIGHT
UNDER FLANGE HEIGHT
MATERIAL;
Required Description
2.750 INCHES NOMINAL
0.625 INCHES NOMINAL
2.563 INCHES NOMINAL
NICKEL ALLOY B