4820-01-301-4405

Find complete technical information, availability, and procurement data for: 4820-01-301-4405
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-301-4405

Item Name Code

05487

Assigment Date

05/28/1989 (37 years ago)

A manually operated valve having one inlet and two outlets. It is designed to control the direction of exhaust gases into either of the outlets, one outlet discharging directly into the atmosphere, the other discharging under water.

spring disk loading method, 250.0 fahrenheit single response maximum operating temp, -40.0 fahrenheit minimum operating temp, disk flow control device, right-hand all ends thread direction

Product Characteristics

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

Thread Direction: right-hand all ends
Flow Control Device: disk
Disk Loading Method: spring
Maximum Operating Temp: 250.0 fahrenheit single response
Minimum Operating Temp: -40.0 fahrenheit
Connection Style: plain, optional end (pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Mounting Position: horizontal or vertical
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches all ends
Material: steel comp 316 overall
Media For Which Designed: air 1st response
Media For Which Designed: gas, natural 2nd response
Media For Which Designed: nitrogen, gaseous 3rd response
Media For Which Designed: water, fresh 4th response
Surface Treatment: passivate
Style Designator: straight thru
Thread Series Designator: npt all 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
249T1P-2P	Check Valve
6096872-001	Check Valve
P249T1-2PP	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-301-4405?

The FSCG of the NSN 4820-01-301-4405 is 4820

Does the NSN 4820-01-301-4405 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-01-301-4405 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 4820-01-301-4405 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-301-4405 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 4820-01-301-4405 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Sun, May 28, 1989