4820-00-138-1916

Find complete technical information, availability, and procurement data for: 4820-00-138-1916
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-138-1916

Item Name Code

05487

Assigment Date

08/09/1971 (54 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.

775.0 fahrenheit single response maximum operating temp, disk flow control device, 2.000 inches all ends nominal pipe size accommodated, threaded renewable seat ring type, socket (pipe) 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.

Nominal Pipe Size Accommodated: 2.000 inches all ends
Flow Control Device: disk
Renewable Seat Ring Type: threaded
Maximum Operating Temp: 775.0 fahrenheit single response
Connection Style: socket (pipe) all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal pipe all ends
Mounting Position: horizontal or vertical
Maximum Operating Pressure: 600.0 pounds per square inch single response
Special Features: valve size 2.000 in.
Material: cobalt alloy seat
Material: cobalt alloy flow control device
Material: aluminum alloy 2024 body
Material Document And Classification: astm a216,grade wcb assn std single material response body
Media For Which Designed: steam single response
Style Designator: straight thru
Test Data Document: "81349-mil-s-901 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."
Nondefinitive Spec/Std Data: c group and 3 type and 5 trim and 600 class

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-137-3302	No Name Available	08/01/2017
4820-01-186-0739	No Name Available	08/01/1989

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
B35775M0DCID882035429	Check Valve
B35775MOD	Check Valve
CS4820-0019JCEX5GGDDCS	Check Valve
D29886 1560SWLDG 2IN	Check Valve
SW4835-FHF 2IN	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-138-1916?

The FSCG of the NSN 4820-00-138-1916 is 4820

Does the NSN 4820-00-138-1916 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-00-138-1916 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 4820-00-138-1916 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-138-1916 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 4820-00-138-1916 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Mon, Aug 9, 1971