4820-00-181-9447

Find complete technical information, availability, and procurement data for: 4820-00-181-9447
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-181-9447

Item Name Code

05485

Assigment Date

04/14/1971 (55 years ago)

A valve with one inlet and one outlet connection with outlet flow parallel to inlet flow. The flow is controlled by the action of a stem which lifts the disk perpendicularly off the center axis of its seat. The stem is at a 90 degree (1.5708 radians) angle to axis of flow. Excludes:valve, stop-check; cock, shutoff, screw stem; and valve, solenoid.

disk flow control device, 1.250 inches all ends nominal pipe size accommodated, bolted bonnet attachment method, 775.0 fahrenheit single response maximum operating temp, outside screw-yoke bonnet type

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: 775.0 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: 1500.0 pounds per square inch single response
Special Features: valve size,1 1/4 in.
Material: steel body
Material: steel comp 410 stem
Material: steel flow control device
Material: steel seat
Material Document And Classification: 66,aisi 410/sae 51410 fed std single material response stem
Material Document And Classification: astm a105,grade2 assn std single material response body
Material Document And Classification: mil-r-17131,mil-rcocr-a mil spec single material response flow control device
Material Document And Classification: mil-r-17131,mil-rcocr-a mil spec single material response seat
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.)."
Specification/Standard Data: 81349-mil-v-22094 government specification
Nondefinitive Spec/Std Data: d composition

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-444-1564	No Name Available	11/01/1980
4820-00-967-1102	No Name Available	06/14/2023
4820-00-967-1103	No Name Available	06/14/2023

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
1623166	Globe Valve
807-1800 ASSY 807-22 1 1-4IN	Globe Valve
807-22 DWG 807-1800 1 1-4IN	Globe Valve
81551-01	Globe Valve
B712-1-B-1 1/4IN	Globe Valve
B712-1-D PART B712-1-D1	Globe Valve
B712-1-D1	Globe Valve
G80SW 1 1-4IN	Globe Valve
W06-3074B-02TS	Globe Valve
W063074B02TS/33311-30J/882057680	Globe Valve

FAQs

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

What is the FSCG of the NSN 4820-00-181-9447?

The FSCG of the NSN 4820-00-181-9447 is 4820

Does the NSN 4820-00-181-9447 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803060

Does NSN 4820-00-181-9447 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 4820-00-181-9447 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-181-9447 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 4820-00-181-9447 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Apr 14, 1971