8Z-V8LR-B(P)

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-011-9247

Item Name Code

05485

Assigment Date

11/02/1975 (50 years ago)

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.

inside screw bonnet type, needle flow control device, right-hand all ends thread direction, threaded bonnet attachment method, 2a all ends thread class

Product Characteristics

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

Thread Class: 2a all ends
Thread Direction: right-hand all ends
Flow Control Device: needle
Bonnet Type: inside screw
Bonnet Attachment Method: threaded
Maximum Operating Temp: 450.0 fahrenheit single response
Connection Style: flareless (tube) all ends
Valve Operation Method: manual
Connection Type: threaded external tube all ends
Mounting Facility: panel
Features Provided: bonnet packing
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.750 inches all ends
Seat Angle: 12.0 degrees all ends
Material: copper alloy body
Media For Which Designed: oxygen, gaseous single response
Style Designator: straight thru
Thread Series Designator: unf all ends

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-044-7123	No Name Available	12/01/1984

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
3Z-V8LR-B	Globe Valve
3ZV8LRBP	Globe Valve
8Z-V8LR-B	Globe Valve
8Z-V8LR-B(P)	Globe Valve
D2112G8B	Globe Valve
ZV8LRB	Globe Valve

FAQs

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

What is the FSCG of the NSN 4820-01-011-9247?

The FSCG of the NSN 4820-01-011-9247 is 4820

Does the NSN 4820-01-011-9247 have a Schedule B code assigned?

Yes, the Schedule B code is 8481801070

Does NSN 4820-01-011-9247 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 4820-01-011-9247 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-011-9247 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 4820-01-011-9247 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Sun, Nov 2, 1975