4820-00-232-7570

Find complete technical information, availability, and procurement data for: 4820-00-232-7570
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-232-7570

Item Name Code

37942

Assigment Date

10/24/1970 (55 years ago)

poppet flow control device, flared (tube) all ends connection style, spring disk loading method, 2a all ends thread class, right-hand all ends thread direction

Product Characteristics

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

Thread Class: 2a all ends
Thread Direction: right-hand all ends
Flow Control Device: poppet
Disk Loading Method: spring
Connection Style: flared (tube) all ends
Valve Operation Method: automatic
Connection Type: threaded external tube all ends
Mounting Position: horizontal or vertical
Nominal Thread Size: 0.438 inches all ends
Seat Angle: 37.0 degrees 1st end
Special Features: oxygen clean per mil-i-52211
Material: aluminum overall
Surface Treatment: anodize
Style Designator: straight thru
Thread Series Designator: unf all ends

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-244-1676	No Name Available	03/01/1986

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
2192-502-007-1	Oxygen System Check Valve
2624A4TT	Oxygen System Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-232-7570?

The FSCG of the NSN 4820-00-232-7570 is 4820

Does the NSN 4820-00-232-7570 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-00-232-7570 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 4820-00-232-7570 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-232-7570 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 4820-00-232-7570 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Sat, Oct 24, 1970