4820-01-523-3991

Find complete technical information, availability, and procurement data for: 4820-01-523-3991
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-523-3991

Item Name Code

05488

Assigment Date

09/01/2004 (21 years ago)

A bracket of various shapes (other than angle), designed to be attached to a supporting surface for the specific purpose of positioning, aligning and/or supporting another item. Excludes:brace (as modified); bracket, angle; and bracket, double angle. See also bracket (1), electrical connector; bracket, fire extinguisher; bracket, solenoid; bracket, track, sliding door; and retainer (as modified).

mk18mod1, pump, gas bosster end item identification, poppet flow control device, spring disk loading method, -20.0 fahrenheit minimum operating temp, 400.0 fahrenheit single response maximum operating temp

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
Disk Loading Method: spring
Maximum Operating Temp: 400.0 fahrenheit single response
Minimum Operating Temp: -20.0 fahrenheit
End Item Identification: mk18mod1, pump, gas bosster
Connection Style: plain (pipe) 1st end
Valve Operation Method: automatic
Connection Type: threaded external pipe 1st end
Opening Pressure Setting: 135.0 pounds per square inch
Part Name Assigned By Controlling Agency: valve, pressure relief pre-set
Material: copper alloy body
Style Designator: straight thru w/baffle

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
7403075	Safety Relief Valve
D532-B-2M-135	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-523-3991?

The FSCG of the NSN 4820-01-523-3991 is 4820

Does the NSN 4820-01-523-3991 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-523-3991 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 4820-01-523-3991 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-523-3991 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 4820-01-523-3991 was assigned to the Federal Catalog?

It was assigned 21 years ago, on Wed, Sep 1, 2004