D631Z558A

View detailed technical data, stock status, and sourcing information for: D631Z558A
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-451-2906

Item Name Code

61748

Assigment Date

12/11/1997 (28 years ago)

An item consisting of one or more lampholder(s) or other electrical connection, designed to provide general illumination. May include a shade, light window, switch and the like. Do not use if a more specific item name exists,such as light (as modified).

20.0 gallons per minute valve discharge flow rate, 176.0 fahrenheit nominal operating temp rating, 4 port quantity, 5000.0 pounds per square inch maximum operating pressure, usns stalwart class tagos end item identification

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Valve Discharge Flow Rate: 20.0 gallons per minute
End Item Identification: usns stalwart class tagos
Operating Temp Rating: 176.0 fahrenheit nominal
Maximum Operating Pressure: 5000.0 pounds per square inch
Port Quantity: 4
Special Features: 2 stage valve

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-411-0694	No Name Available	07/01/1999

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
631F572F5	Hydraulic Servovalve
D631Z558A	Hydraulic Servovalve
D631Z558AVM	Hydraulic Servovalve
D631Z558B	Hydraulic Servovalve

FAQs

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

What is the FSCG of the NSN 4820-01-451-2906?

The FSCG of the NSN 4820-01-451-2906 is 4820

Does the NSN 4820-01-451-2906 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-01-451-2906 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 4820-01-451-2906 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-451-2906 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 4820-01-451-2906 was assigned to the Federal Catalog?

It was assigned 28 years ago, on Thu, Dec 11, 1997