D10R-19T25PSI

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-158-8363

Item Name Code

05488

Assigment Date

07/30/1983 (43 years ago)

A valve designed to relieve internal pressure from gear housings, automotive axles, differentials, transmissions and the like. May or may not be threaded on one end. For items with relief pressure ratings see valve (1), safety relief.

automatic valve operation method, round 2nd end flange shape, 450.0 fahrenheit single response maximum operating temp, disk flow control device, round 1st end flange shape

Product Characteristics

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

Flow Control Device: disk
Maximum Operating Temp: 450.0 fahrenheit single response
Valve Operation Method: automatic
Flange Shape: round 1st end
Flange Shape: round 2nd end
Connection Type: flange 1st end
Connection Type: flange 2nd end
Valve Size: 6.000 inches
Adjustable Pressure Range: +19.0 to 25.0 pounds per square inch
Maximum Operating Pressure: 150.0 pounds per square inch single response
Nominal Outside Diameter: 11.000 inches 2nd end
Nominal Outside Diameter: 13.500 inches 1st end
Nominal Thickness: 1.000 inches 2nd end
Nominal Thickness: 1.125 inches 1st end
First Connection Face To Centerline Distance: 9.438 inches
Second Connection Face To Centerline Distance: 9.500 inches
Flange Face Design: plain 2nd end
Flange Face Design: raised straight 1st end
Raised Face Nominal Height: 0.062 inches 1st end
Raised Face Nominal Diameter: 9.500 inches 1st end
Material: steel body
Material: steel flow control device
Material: steel stem
Material Document And Classification: aisi 416 assn std single material response stem
Material Document And Classification: ams 5643 assn std single material response flow control device
Material Document And Classification: astm a217,grade wc6 assn std single material response body
Media For Which Designed: air 1st response
Media For Which Designed: steam 2nd response
Style Designator: angle flanged ends

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
D010R-19T25PSI	Safety Relief Valve
D10R-19T25PSI	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-158-8363?

The FSCG of the NSN 4820-01-158-8363 is 4820

Does the NSN 4820-01-158-8363 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-158-8363 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 4820-01-158-8363 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-158-8363 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 4820-01-158-8363 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Sat, Jul 30, 1983