4820-00-181-9458

Find complete technical information, availability, and procurement data for: 4820-00-181-9458
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-181-9458

Item Name Code

05487

Assigment Date

06/14/1971 (55 years ago)

A valve with one inlet and one outlet connection with outlet flow parallel to inlet flow. The flow is controlled by the action of a stem which lifts the disk perpendicularly off the center axis of its seat. The stem is at a 90 degree (1.5708 radians) angle to axis of flow. Excludes:valve, stop-check; cock, shutoff, screw stem; and valve, solenoid.

selected and tested for nuclear propulsion plant systems reference number differentiating characteristics, zzzy criticality code justification

Product Characteristics

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

Criticality Code Justification: zzzy
Reference Number Differentiating Characteristics: selected and tested for nuclear propulsion plant systems

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
803-2177525-S551(SPCLN)	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-181-9458?

The FSCG of the NSN 4820-00-181-9458 is 4820

Does NSN 4820-00-181-9458 require demilitarization?

Usml or ccl military items - demil required. Item managers,, equipment specialists, or product specialists must furnish special demilinstructions. (note 3).

Does NSN 4820-00-181-9458 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-181-9458 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 4820-00-181-9458 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Mon, Jun 14, 1971