NMP-1521F01S0156

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-222-9612

Item Name Code

05483

Assigment Date

12/20/1985 (40 years ago)

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

4 1st end bolt hole quantity, packing retaining bonnet type, 4 2nd end bolt hole quantity, manual valve operation method, disk flow control device

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: packing retaining
Bolt Hole Quantity: 4 1st end
Bolt Hole Quantity: 4 2nd end
Valve Operation Method: manual
Flange Shape: round with holes 1st end
Flange Shape: round with holes 2nd end
Connection Type: flange 1st end
Connection Type: flange 2nd end
Valve Size: 0.500 inches
Maximum Operating Pressure: 186.0 pounds per square inch single response
Nominal Outside Diameter: 3.500 inches 2nd end
Nominal Outside Diameter: 4.250 inches 1st end
Nominal Thickness: 0.438 inches 1st end
Nominal Thickness: 0.438 inches 2nd end
First Connection Face To Centerline Distance: 3.250 inches
Bolt Hole Nominal Diameter: 0.375 inches 1st end
Bolt Hole Nominal Diameter: 0.375 inches 2nd end
Second Connection Face To Centerline Distance: 3.312 inches
Bolt Circle Nominal Diameter: 2.375 inches 2nd end
Bolt Circle Nominal Diameter: 3.125 inches 1st end
Flange Face Design: raised straight 1st end
Flange Face Design: raised straight 2nd end
Raised Face Nominal Height: 0.062 inches 2nd end
Raised Face Nominal Height: 0.062 inches 1st end
Raised Face Nominal Diameter: 1.375 inches 2nd end
Raised Face Nominal Diameter: 2.000 inches 1st end
Material: steel comp 4140 body
Material: steel corrosion resisting seat
Style Designator: angle flanged ends

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
DX-13C 156T0186P	Angle Valve
DX-13C 156T0186PSI	Angle Valve
DX-13C 156T0186PSI 1/2IN	Angle Valve
NMP-1521F01S0156	Angle Valve

FAQs

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

What is the FSCG of the NSN 4820-01-222-9612?

The FSCG of the NSN 4820-01-222-9612 is 4820

Does the NSN 4820-01-222-9612 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803090

Does NSN 4820-01-222-9612 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 4820-01-222-9612 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-222-9612 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 4820-01-222-9612 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Fri, Dec 20, 1985