457-7801

View detailed technical data, stock status, and sourcing information for: 457-7801

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457-7801
Federal Supply Group
Pumps and Compressors
Federal Supply Classification
4320 Power and Hand Pumps
National Stock Number
4320-01-472-9794
Item Name Code
37766
Assigment Date
03/23/2000 (26 years ago)

A regulator providing controlled pressurization of an aircraft cabin and/or compartments by regulating discharge air. Consists of a preset automatic pressure controller and a valve which discharges air to the atmosphere. May contain an electric motor driven fan. See controller, air pressure, aircraft cabin.

4320-01-472-9794, pump valve flapper

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
457-1587 Pump Valve Flapper
457-7801 Pump Valve Flapper

FAQs

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

What is the FSCG of the NSN 4320-01-472-9794?
The FSCG of the NSN 4320-01-472-9794 is 4320
Does the NSN 4320-01-472-9794 have a Schedule B code assigned?
Yes, the Schedule B code is 8481809050
Does NSN 4320-01-472-9794 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 4320-01-472-9794 contain precious materials?
Item does not contain precious metal.
Does NSN 4320-01-472-9794 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 4320-01-472-9794 was assigned to the Federal Catalog?
It was assigned 26 years ago, on Thu, Mar 23, 2000

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