4820-00-142-3142

Find complete technical information, availability, and procurement data for: 4820-00-142-3142
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-142-3142

Item Name Code

08101

Assigment Date

01/01/1963 (63 years ago)

An item designed to automatically relieve vacuum, by the intake of air, when the internal pressure falls below atmospheric pressure. See also valve, vacuum regulating.

air media for which designed, single connection, straight flow body style, threaded external boss first end connection type, external seat for gasket seal first end style designator, unable to decode body material

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 boss
First End Style Designator: external seat for gasket seal
First End Thread Class: 2a
First End Thread Direction: right-hand
Flow Control Device: poppet
Flow Control Device Material: unable to decode
End Connection Quantity: 1
Temp Adjustability: not adjustable
Surface Treatment: anodize 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
51139A	Vacuum Breaking Valve
P519	Vacuum Breaking Valve
SCB70532	Vacuum Breaking Valve

FAQs

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

What is the FSCG of the NSN 4820-00-142-3142?

The FSCG of the NSN 4820-00-142-3142 is 4820

Does the NSN 4820-00-142-3142 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-00-142-3142 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 4820-00-142-3142 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-142-3142 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 4820-00-142-3142 was assigned to the Federal Catalog?

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