S1J10021 ITEM 4

View detailed technical data, stock status, and sourcing information for: S1J10021 ITEM 4
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-291-1574

Item Name Code

16996

Assigment Date

12/24/1988 (37 years ago)

An item consisting of one or more definite lengths of straight or formed, flexible or rigid, prefabricated hollow tubing of conductive material. The tubing has a predetermined cross section and is designed to guide or conduct high frequency electromagnetic energy through its interior. One or more ends are terminated. May include common mounting of a switch, wave guide, a dummy load, electrical and other components such as waveguide section, cable terminal chamber and the like. Excludes:coupler,rotary,radio frequency; coupler, directional; adapter,waveguide; and tuner, waveguide.

2040.0 cubic feet per minute valve discharge flow rate, zzzy criticality code justification, 65.0 pounds per square inch opening pressure setting, cleaning, packaging, and marking iaw the latest revision of mil-std-1330 reference number differentiating characteristics, poppet flow control device

Product Characteristics

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

Flow Control Device: poppet
Opening Pressure Setting: 65.0 pounds per square inch
Valve Discharge Flow Rate: 2040.0 cubic feet per minute
Criticality Code Justification: zzzy
Reference Number Differentiating Characteristics: cleaning, packaging, and marking iaw the latest revision of mil-std-1330

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
S1J10021 ITEM 4	Pressure and Temper Relief Valve
S1J10021 ITEM 4CP	Pressure and Temper Relief Valve
V3D10246-02	Pressure and Temper Relief Valve
V3D10246-02CP	Pressure and Temper Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-291-1574?

The FSCG of the NSN 4820-01-291-1574 is 4820

Does the NSN 4820-01-291-1574 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-291-1574 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 4820-01-291-1574 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-291-1574 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 4820-01-291-1574 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Sat, Dec 24, 1988