NMP-1128 DA-40A OPTION 2

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-298-5247

Item Name Code

05488

Assigment Date

04/18/1989 (37 years ago)

automatic valve operation method, threaded bonnet attachment method, inside screw bonnet type, disk flow control device, socket (tube) all ends connection style

Product Characteristics

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

Flow Control Device: disk
Bonnet Type: inside screw
Bonnet Attachment Method: threaded
Connection Style: socket (tube) all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal tube all ends
Adjustable Pressure Range: +348.0 to 400.0 pounds per square inch
Nominal Outside Diameter Tube Accommodated: 0.500 inches 1st end
Material: copper alloy body
Material: steel comp 303 stem
Style Designator: angle

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
MNP-1128	Safety Relief Valve
NMP-1128 DA-40A OPTION 2	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-298-5247?

The FSCG of the NSN 4820-01-298-5247 is 4820

Does the NSN 4820-01-298-5247 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-298-5247 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 4820-01-298-5247 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-298-5247 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 4820-01-298-5247 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Tue, Apr 18, 1989