4820-00-756-4985

Find complete technical information, availability, and procurement data for: 4820-00-756-4985
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-756-4985

Item Name Code

22113

Assigment Date

01/01/1960 (66 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.

0.358 inches nominal flange diameter, 0.207 inches nominal under flange height, 0.248 inches nominal body outside diameter, 0.063 inches nominal flange seat to disk end height, 0.049 inches nominal body inside diameter

Product Characteristics

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

Flange Diameter: 0.358 inches nominal
Body Outside Diameter: 0.248 inches nominal
Body Inside Diameter: 0.049 inches nominal
Flange Seat To Disk End Height: 0.063 inches nominal
Under Flange Height: 0.207 inches nominal
Seat Angle In Deg: 39.000 nominal
Seal Accommodation Type: grooved
Hardness Rating: 57.0 rockwell c minimum and 60.0 rockwell c maximum overall
Seating Surface Shape: angular
Material: steel corrosion resisting overall
Surface Treatment: passivate overall
Style Designator: plain flanged

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
C5606-21	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-756-4985?

The FSCG of the NSN 4820-00-756-4985 is 4820

Does the NSN 4820-00-756-4985 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-756-4985 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 4820-00-756-4985 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-756-4985 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 4820-00-756-4985 was assigned to the Federal Catalog?

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