National Item Identification Number
01-040-0898
010400898
4520-01-040-0898
4520010400898
National Stock Number
Item Name
DAMPER,FLUE
Federal Supply Class
4520
Description
A cast iron or sheet metal plate designed to be installed in a boiler, heater, stove, or furnace flue pipe to control the draft, and/or in an air duct to control the passage of air. Excludes VALVE, BUTTERFLY.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
4-8IN
Required Categories
OVERALL DIAMETER
OVERALL THICKNESS
OVERALL HEIGHT
MATERIAL
SURFACE TREATMENT
Required Description
8.000 INCHES NOMINAL
1.750 INCHES NOMINAL
3.500 INCHES NOMINAL
STEEL
PAINT;