4820-01-092-4294

Find complete technical information, availability, and procurement data for: 4820-01-092-4294
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-092-4294

Item Name Code

05487

Assigment Date

03/26/1980 (46 years ago)

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.

disk flow control device, socket (pipe) all ends connection style, 1.000 inches all ends nominal pipe size accommodated, weight disk loading method, 500.0 fahrenheit single response maximum operating temp

Product Characteristics

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

Nominal Pipe Size Accommodated: 1.000 inches all ends
Flow Control Device: disk
Disk Loading Method: weight
Maximum Operating Temp: 500.0 fahrenheit single response
Connection Style: socket (pipe) all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal pipe all ends
Mounting Position: horizontal
Maximum Operating Pressure: 275.0 pounds per square inch single response
Material: steel body
Material: steel comp 416 seat
Material: steel comp 420 flow control device
Material Document And Classification: astma216,grade wcb assn std single material response body
Material Document And Classification: fed-std-66, aisi 420/sae 51420 fed std single material response flow control device
Material Document And Classification: fed-std-66, comp 416 fed std single material response seat
Media For Which Designed: water-oil-gas single response
Style Designator: straight thru
Specification/Standard Data: 81349-mil-v-18436d government specification
Nondefinitive Spec/Std Data: c group and 3 type and a style

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-067-6414	No Name Available	05/01/1986

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
1560S.W.E. 1IN DWG 67408	Check Valve
21560S.W.E. 1IN DWG 67408	Check Valve
D-1994 SIZE 1IN	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-092-4294?

The FSCG of the NSN 4820-01-092-4294 is 4820

Does the NSN 4820-01-092-4294 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-01-092-4294 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 4820-01-092-4294 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-092-4294 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 4820-01-092-4294 was assigned to the Federal Catalog?

It was assigned 46 years ago, on Wed, Mar 26, 1980