820-2178539-1

View detailed technical data, stock status, and sourcing information for: 820-2178539-1
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-143-3162

Item Name Code

35224

Assigment Date

11/30/1982 (43 years ago)

0.906 inches nominal overall height, 0.062 inches nominal shoulder height, zzzy criticality code justification, 0.130 inches nominal shoulder width, 87.0 degrees minimum and 57.0 degrees maximum seat angle

Product Characteristics

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

Overall Height: 0.906 inches nominal
Shoulder Height: 0.062 inches nominal
Shoulder Width: 0.130 inches nominal
Seat Angle: 87.0 degrees minimum and 57.0 degrees maximum
Criticality Code Justification: zzzy
Special Features: material is h-25 alloy under mil c-24106
Material: nickel alloy 400
Material Document And Classification: mil-n-24106, alloy 400, h-25 mil spec single material response
Style Designator: plug
Reference Number Differentiating Characteristics: material will be in accordance with ships parts control center activity hx quality control,manufacturing and testing specifications

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
820-2178535-5	Valve Disk
820-2178539-1	Valve Disk

FAQs

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

What is the FSCG of the NSN 4820-01-143-3162?

The FSCG of the NSN 4820-01-143-3162 is 4820

Does the NSN 4820-01-143-3162 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-143-3162 require demilitarization?

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

Does NSN 4820-01-143-3162 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-143-3162 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 4820-01-143-3162 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Tue, Nov 30, 1982