4820-00-937-0518

Find complete technical information, availability, and procurement data for: 4820-00-937-0518
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-937-0518

Item Name Code

08101

Assigment Date

10/31/1966 (59 years ago)

A valve consisting of a single deadweight loaded disk, or two deadweight loaded disks each with a seperate seat. It is specifically designed for the relief of small pressure and vacuum conditions within a tank or other container to or from the atmosphere. The center of a single deadweight loaded disk may contain a spring loaded disk forming an additional seat or aperture. It may be spring loaded and/or equipped with a manual unloader on either the pressure or vacuum side. Exclude valve, vacuum breaking.

plain first end style designator, single connection, straight flow body style, unable to decode body material, threaded external pipe first end connection type, air media for which designed

Product Characteristics

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

Body Material: unable to decode
Body Style: single connection, straight flow
Media For Which Designed: air
First End Connection Type: threaded external pipe
First End Style Designator: plain
First End Nominal Pipe Size Accommodated: 0.750 inches
First End Thread Direction: right-hand
Flow Control Device: any acceptable
End Connection Quantity: 1
Temp Adjustability: adjustable
Surface Treatment: anodize outside
Surface Treatment Document And Classification: mil-a-8625,type 1,class 1 mil spec single treatment response outside

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
64A35C33	Vacuum Breaking Valve
TA330-64A35C33	Vacuum Breaking Valve
TA330-64A35C33-C	Vacuum Breaking Valve

FAQs

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

What is the FSCG of the NSN 4820-00-937-0518?

The FSCG of the NSN 4820-00-937-0518 is 4820

Does the NSN 4820-00-937-0518 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-00-937-0518 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 4820-00-937-0518 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-937-0518 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 4820-00-937-0518 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Mon, Oct 31, 1966