81571-00

View detailed technical data, stock status, and sourcing information for: 81571-00
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-978-8515

Item Name Code

05483

Assigment Date

01/01/1962 (64 years ago)

bolted bonnet attachment method, 975.0 fahrenheit single response maximum operating temp, 0.500 inches all ends nominal pipe size accommodated, outside screw-yoke bonnet type, 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: 0.500 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: 1500.0 pounds per square inch single response
Special Features: valve size 0.500 in.
Material: cobalt alloy seat
Material: cobalt alloy flow control device
Material: steel body
Material: steel comp 410 stem
Material Document And Classification: astm a182,grade f11 assn std single material response body
Material Document And Classification: fed std 66 fed std single material response stem
Media For Which Designed: steam single response
Style Designator: angle
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Below is a list of NSNs that have been officially superseded by this NSN: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
4820-00-824-8657	No Name Available	05/21/1969

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