National Item Identification Number
00-318-4720
003184720
4820-00-318-4720
4820-00-318-4720
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)
37239
LUNKENHEIMER CO
1500 WAVERLY AVE
CINCINNATI
OH
45214
513-244-5291
79500
90099
NORTHROP GRUMMAN SYSTEMS CORPORATION
DBA NORTHROP GRUMMAN MARINE SYSTEMS
401 E HENDY AVE MS 33-3
SUNNYVALE
CA
94086
408-735-4188
Reference Numbers (Part Numbers)
B5642
20J924-514
20J924-514
20J924-514
Required Categories
STYLE DESIGNATOR
FLANGE DIAMETER
BODY INSIDE DIAMETER
FLANGE SEAT TO DISK END
Required Description
B1 THREADED FLANGED
2.813 INCHES NOMINAL
1.875 INCHES NOMINAL
0.250 INCHES NO