18-3-136

View detailed technical data, stock status, and sourcing information for: 18-3-136
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-097-1578

Item Name Code

35224

Assigment Date

01/01/1963 (63 years ago)

An item of various shapes (usually circular, conical, cylindrical, or rectangular) used to prevent or regulate the flow of liquids or gases through the valve. May include a retainer, screw, holder, and the like.

1.456 inches nominal overall height, 45.0 degrees nominal seat angle, 0.500 inches nominal thread size, 1.935 inches nominal outside diameter, 2b thread class

Product Characteristics

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

Thread Class: 2b
Outside Diameter: 1.935 inches nominal
Overall Height: 1.456 inches nominal
Nominal Thread Size: 0.500 inches
Seat Angle: 45.0 degrees nominal
Material: steel corrosion resisting
Style Designator: plug
Thread Series Designator: unf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-036-1752	No Name Available	10/01/1992

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
005.300.0006	Valve Disk
18-3-136	Valve Disk
18-3-4	Valve Disk

FAQs

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

What is the FSCG of the NSN 4820-00-097-1578?

The FSCG of the NSN 4820-00-097-1578 is 4820

Does the NSN 4820-00-097-1578 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-097-1578 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 4820-00-097-1578 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-097-1578 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 4820-00-097-1578 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963