4820-01-435-1909

Find complete technical information, availability, and procurement data for: 4820-01-435-1909
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-435-1909

Item Name Code

05488

Assigment Date

08/16/1996 (30 years ago)

A rigid or flexible item of various shapes attached to a structure for the purpose of providing access for inspection, service, replacement of components and/or adjustments or mounting operations. It is designed to be attached by means of bolt holes, slots, mounting ears, tabs, and the like. To permit access, the mounted cover requires partial or complete removal. It may include an observation window. For items permanently attached by hinges and the like, see door, access (as modified). Excludes:all covers not specifically designed to provide access for the purposes listed above.

automatic valve operation method, 100.0 fahrenheit 1st response maximum operating temp, mars class afs end item identification, 500.0 fahrenheit 2nd response maximum operating temp, 4 all ends bolt hole quantity

Product Characteristics

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

Bolt Hole Quantity: 4 all ends
Maximum Operating Temp: 100.0 fahrenheit 1st response
Maximum Operating Temp: 500.0 fahrenheit 2nd response
End Item Identification: mars class afs
Valve Operation Method: automatic
Flange Shape: round with holes all ends
Connection Type: flange all ends
Valve Size: 2.000 inches
Adjustable Pressure Range: +66.0 to 75.0 pounds per square inch
Maximum Operating Pressure: 150.0 pounds per square inch 2nd response
Maximum Operating Pressure: 270.0 pounds per square inch 1st response
Nominal Outside Diameter: 6.000 inches all ends
Nominal Thickness: 0.750 inches all ends
First Connection Face To Centerline Distance: 4.750 inches
Bolt Hole Nominal Diameter: 0.750 inches all ends
Second Connection Face To Centerline Distance: 4.750 inches
Bolt Circle Nominal Diameter: 4.750 inches all ends
Flange Face Design: raised straight all ends
Raised Face Nominal Height: 0.062 inches all ends
Raised Face Nominal Diameter: 3.620 inches all ends
Material: steel corrosion resisting stem
Material: steel uns j03002 body
Material: steel uns j92600 flow control device
Material: steel uns j92600 seat
Material Document And Classification: astm a351, cf8 assn std single material response flow control device
Material Document And Classification: astm a351, cf8 assn std single material response seat
Material Document And Classification: atm a216, gr wcb assn std single material response body
Material Document And Classification: qq-s-764 fed spec single material response stem
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
20050K51SS	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-435-1909?

The FSCG of the NSN 4820-01-435-1909 is 4820

Does the NSN 4820-01-435-1909 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-435-1909 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 4820-01-435-1909 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-435-1909 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 4820-01-435-1909 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Fri, Aug 16, 1996