4820-00-834-0779

Find complete technical information, availability, and procurement data for: 4820-00-834-0779
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-834-0779

Item Name Code

05485

Assigment Date

01/01/1962 (64 years ago)

outside screw-yoke bonnet type, bolted bonnet attachment method, 975.0 fahrenheit single response maximum operating temp, 1.250 inches all ends nominal pipe size accommodated, 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.

Nominal Pipe Size Accommodated: 1.250 inches all ends
Flow Control Device: disk
Bonnet Type: outside screw-yoke
Bonnet Attachment Method: bolted
Maximum Operating Temp: 975.0 fahrenheit single response
Connection Style: socket all ends
Valve Operation Method: manual
Connection Type: unthreaded internal pipe all ends
Features Provided: bonnet packing
Maximum Operating Pressure: 600.0 pounds per square inch single response
Special Features: valve size 1.250 in.
Material: cobalt alloy seat
Material: cobalt alloy flow control device
Material: steel body
Material: steel comp 410 stem
Material Document And Classification: a182,grade f11 assn std single material response body
Material Document And Classification: 66 fed std single material response stem
Media For Which Designed: steam single response
Style Designator: straight thru
Test Data Document: "81349-mil-v-22094 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: b composition

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-825-5611	No Name Available	01/01/1981
4820-00-964-4647	No Name Available	08/01/1978
4820-00-993-3354	No Name Available	07/29/1972

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
80651-01C1D882057706	Globe Valve
B712-0-BREVA882057585	Globe Valve
W062074B05TS/33311-30F/882057648	Globe Valve

FAQs

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

What is the FSCG of the NSN 4820-00-834-0779?

The FSCG of the NSN 4820-00-834-0779 is 4820

Does the NSN 4820-00-834-0779 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803060

Does NSN 4820-00-834-0779 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 4820-00-834-0779 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-834-0779 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 4820-00-834-0779 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962