4820-01-538-2850

Find complete technical information, availability, and procurement data for: 4820-01-538-2850
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-538-2850

Item Name Code

05488

Assigment Date

03/16/2006 (20 years ago)

"a generator primarily designed to be mounted on an internal combustion engine, and to be driven by the engine to keep the battery in a charged condition. May also supply current for the engine ignition system and/or electrical equipment which is connected to the battery circuit. Includes alternating current generators designed for use with a rectifier. Excludes:the major generator of "generating sets". For generators specifically designed for aircraft use and not mounted on the engine, see generator, direct current."

inside spring bonnet type, disk flow control device, bolted bonnet attachment method, spring disk loading method, 8 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.

Flow Control Device: disk
Bonnet Type: inside spring
Bonnet Attachment Method: bolted
Disk Loading Method: spring
Bolt Hole Quantity: 8 all ends
Maximum Operating Temp: 425.0 fahrenheit single response
End Item Identification: w/s cvn nr boundary area
Valve Operation Method: automatic or manual
Flange Shape: round with holes all ends
Connection Type: flange all ends
Features Provided: manual override
Valve Size: 3.500 inches
Adjustable Pressure Range: +11.0 to 17.0 pounds per square inch
Maximum Operating Pressure: 100.0 pounds per square inch single response
Nominal Outside Diameter: 7.188 inches all ends
Nominal Thickness: 0.500 inches all ends
First Connection Face To Centerline Distance: 7.250 inches
Bolt Hole Nominal Diameter: 0.562 inches all ends
Second Connection Face To Centerline Distance: 5.500 inches
Bolt Circle Nominal Diameter: 6.062 inches all ends
Flange Face Design: plain all ends
Special Features: flanges iaw mil-f-20042, 150 lb.
Material: copper alloy body
Material: copper alloy flow control device
Material: copper alloy stem
Material: nickel alloy seat
Material Document And Classification: 11-n-268 fed spec single material response seat
Material Document And Classification: mil-b-16541 mil spec single material response body
Material Document And Classification: mil-b-16541 mil spec single material response flow control device
Material Document And Classification: qq-b-637 comp i fed spec single material response stem
Media For Which Designed: water, fresh single response
Style Designator: angle flanged ends
Test Data Document: "mil-s-901c specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."
Furnished Items And Quantity: 1 lever
Specification/Standard Data: 81349 - mil-v-20065c government specification
Nondefinitive Spec/Std Data: a-1 type and c class
Departure From Cited Document: relief valve

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
"L-2210-C 3.5" 11TO17PSI"	Safety Relief Valve
NMP611	Safety Relief Valve
NMP611 OP A, DISC AY, FW SERVICE	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-538-2850?

The FSCG of the NSN 4820-01-538-2850 is 4820

Does the NSN 4820-01-538-2850 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-538-2850 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 4820-01-538-2850 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-538-2850 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 4820-01-538-2850 was assigned to the Federal Catalog?

It was assigned 20 years ago, on Thu, Mar 16, 2006