4820-01-450-1739

Find complete technical information, availability, and procurement data for: 4820-01-450-1739
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-450-1739

Item Name Code

35224

Assigment Date

10/29/1997 (28 years ago)

A relay which is actuated by the effect of a magnetic field developed by the current in its energizing coil(s). Includes solenoid and armature types. Excludes:contactor, magnetic; relay, meter movement; relay, motor driven; relay, reed; relay, resonant reed; relay, rotary; and switch, stepping.

2.125 inches nominal overall height, 150.0 pounds per square inch nominal pressure rating, 4.813 inches nominal outside diameter, 3 1/2 inch combined exhaust and relief globe valve end item identification, 3b thread class

Product Characteristics

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

Thread Class: 3b
Outside Diameter: 4.813 inches nominal
Overall Height: 2.125 inches nominal
End Item Identification: 3 1/2 inch combined exhaust and relief globe valve
Pressure Rating: 150.0 pounds per square inch nominal
Thread Quantity Per Inch: 12
Nominal Thread Size: 1.875 inches
Seat Angle: 45.0 degrees nominal
Material: steel corrosion resisting
Media For Which Designed: steam
Style Designator: plug
Thread Series Designator: un

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
1385797	Valve Disk
1385797 PC 6	Valve Disk
253009 PC NO 6	Valve Disk

FAQs

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

What is the FSCG of the NSN 4820-01-450-1739?

The FSCG of the NSN 4820-01-450-1739 is 4820

Does the NSN 4820-01-450-1739 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-450-1739 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 4820-01-450-1739 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-450-1739 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 4820-01-450-1739 was assigned to the Federal Catalog?

It was assigned 28 years ago, on Wed, Oct 29, 1997