E527

View detailed technical data, stock status, and sourcing information for: E527
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-289-0856

Item Name Code

05488

Assigment Date

01/01/1963 (63 years ago)

spring disk loading method, disk flow control device, 0.750 inches all ends nominal pipe size accommodated, integral bonnet attachment method, inside screw 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: 0.750 inches all ends
Flow Control Device: disk
Bonnet Type: inside screw
Bonnet Attachment Method: integral
Disk Loading Method: spring
Renewable Seat Ring Type: threaded
Maximum Operating Temp: 125.0 fahrenheit single response
Connection Style: socket all ends
Valve Operation Method: automatic or manual
Connection Type: unthreaded internal pipe all ends
Features Provided: pressure tight outlet side
Adjustable Pressure Range: +20.0 to 60.0 pounds per square inch
Maximum Operating Pressure: 100.0 pounds per square inch single response
Material: copper alloy body
Material: copper alloy stem
Material: nickel alloy seat
Media For Which Designed: water, fresh single response
Style Designator: angle

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
1741T75G3-4IN	Safety Relief Valve
20095G41M	Safety Relief Valve
20095L41M41M	Safety Relief Valve
3-4UU1741T	Safety Relief Valve
E527	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-289-0856?

The FSCG of the NSN 4820-00-289-0856 is 4820

Does the NSN 4820-00-289-0856 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-289-0856 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 4820-00-289-0856 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-289-0856 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 4820-00-289-0856 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963