4520-01-221-7149

Find complete technical information, availability, and procurement data for: 4520-01-221-7149

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4520-01-221-7149
Federal Supply Group
Plumbing, Heating, and Waste Disposal Equipment
Federal Supply Classification
4520 Space and Water Heating Equipment
National Stock Number
4520-01-221-7149
Item Name Code
15646
Assigment Date
12/03/1985 (40 years ago)

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.

4520-01-221-7149, flue damper

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
7250-999 AY98E 10X10IN. Flue Damper

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 4520-01-221-7149?
The FSCG of the NSN 4520-01-221-7149 is 4520
Does NSN 4520-01-221-7149 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 4520-01-221-7149 contain precious materials?
Item does not contain precious metal.
Does NSN 4520-01-221-7149 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 4520-01-221-7149 was assigned to the Federal Catalog?
It was assigned 40 years ago, on Tue, Dec 3, 1985

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