3911055

View detailed technical data, stock status, and sourcing information for: 3911055
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-317-0556

Item Name Code

05488

Assigment Date

03/22/1990 (36 years ago)

A valve that controls flow by a circular disk, or a pair of semicircular disks, attached to a common spindle or lever turning on a diametral axis.

spring disk loading method, right-hand all ends thread direction, automatic valve operation method, plain (pipe) all ends connection style, 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.

Thread Direction: right-hand all ends
Flow Control Device: disk
Disk Loading Method: spring
Connection Style: plain (pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded external pipe all ends
Maximum Operating Pressure: 3915.0 pounds per square inch single response
Material: steel body
Media For Which Designed: oil, hydraulic single response
Style Designator: straight thru
Thread Series Designator: bsp.tr ext all 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
3911055	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-317-0556?

The FSCG of the NSN 4820-01-317-0556 is 4820

Does the NSN 4820-01-317-0556 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-317-0556 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 4820-01-317-0556 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-317-0556 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 4820-01-317-0556 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Thu, Mar 22, 1990