4820-01-066-9099

Find complete technical information, availability, and procurement data for: 4820-01-066-9099
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-066-9099

Item Name Code

05488

Assigment Date

10/21/1978 (47 years ago)

An open coiled spring, wound in various forms and from different shapes and types of materials and finished at the ends, designed to provide resistance to compression forces. Excludes:springs designed for thermal actuation (springs in which the torsion forces are designed to be counteracted by changes in temperature) and spring, reinforcing, hose.

spring disk loading method, disk flow control device, socket with brazing ring (tube) all ends connection style, automatic valve operation method, 250.0 fahrenheit single response maximum operating temp

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
Disk Loading Method: spring
Maximum Operating Temp: 250.0 fahrenheit single response
Connection Style: socket with brazing ring (tube) all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal tube all ends
Adjustable Pressure Range: +136.0 to 150.0 pounds per square inch
Maximum Operating Pressure: 500.0 pounds per square inch single response
Nominal Outside Diameter Tube Accommodated: 0.500 inches all ends
Material: copper alloy 922 body
Material: nickel alloy 400 or nickel alloy r-405 flow control device
Material: nickel alloy 400 or nickel alloy r-405 seat
Material: nickel alloy 400 or nickel alloy r-405 stem
Media For Which Designed: liquid, ingested 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
20203QM41M	Safety Relief Valve
BAMZZ07MCC	Safety Relief Valve
BAMZZ07MCC-A049	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-066-9099?

The FSCG of the NSN 4820-01-066-9099 is 4820

Does the NSN 4820-01-066-9099 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-066-9099 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 4820-01-066-9099 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-066-9099 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 4820-01-066-9099 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Sat, Oct 21, 1978