4820-00-905-5491

Find complete technical information, availability, and procurement data for: 4820-00-905-5491
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-905-5491

Item Name Code

05488

Assigment Date

01/01/1960 (66 years ago)

threaded bonnet attachment method, socket (tube) 1st end connection style, inside spring bonnet type, spring disk loading method, 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.

Flow Control Device: disk
Bonnet Type: inside spring
Bonnet Attachment Method: threaded
Disk Loading Method: spring
Connection Style: socket (tube) 1st end
Connection Style: socket (tube) 2nd end
Valve Operation Method: automatic or manual
Connection Type: unthreaded internal tube 1st end
Connection Type: unthreaded internal tube 2nd end
Features Provided: valve stem lock shield and pressure tight outlet side
Adjustable Pressure Range: +1551.0 to 1900.0 pounds per square inch
Criticality Code Justification: zzzy
Nominal Outside Diameter Tube Accommodated: 0.500 inches 2nd end
Nominal Outside Diameter Tube Accommodated: 0.750 inches 1st end
Material: copper alloy body
Material: steel corrosion resisting flow control device
Material: steel corrosion resisting seat
Material: steel corrosion resisting stem
Style Designator: angle
Reference Number Differentiating Characteristics: cleaning, packaging, and marking iaw the latest revision of mil-std-1330

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
9523CP	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-905-5491?

The FSCG of the NSN 4820-00-905-5491 is 4820

Does the NSN 4820-00-905-5491 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-905-5491 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 4820-00-905-5491 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-905-5491 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 4820-00-905-5491 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960