SEQ3121A590

View detailed technical data, stock status, and sourcing information for: SEQ3121A590
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-490-6109

Item Name Code

27565

Assigment Date

09/24/1969 (56 years ago)

straight thru body style, plain first end style designator, gas media for which designed, delivery gage and cylinder gage furnished items, threaded internal pipe first end connection type

Product Characteristics

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

Body Style: straight thru
Furnished Items: delivery gage and cylinder gage
Media For Which Designed: gas
First End Connection Type: threaded internal pipe
First End Style Designator: plain
First End Thread Size And Series/Type Designator: unable to decode
First End Thread Direction: right-hand
Second End Relationship With First End: not identical
Second End Connection Type: threaded internal gas cylinder
Second End Style Designator: swivel nut, gas
Second End Thread Size And Series/Type Designator: unable to decode
Second End Thread Direction: left-hand
Second End Seat Radius: 0.281 inches nominal
Flow Control Device: stem and integral disk
End Connection Quantity: 2
Second End Thread Pitch Diameters: +0.7836 to 0.7872 inches
Outlet Pressure Range: +0.0 to 100.0 pounds per square inch
Regulation Type: 1st stage manual, 2nd stage automatic
Manual Control Method: tee handle
Valve Loading Method: spring
Maximum Inlet Pressure Rating: 3000.0 pounds per square inch
Filter: included
Special Features: with globe valve and coupling
Material: unable to decode

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
002-100-000-040-4	Fluid Pressure Regulating Valve
A50456	Fluid Pressure Regulating Valve
SEQ3121A590	Fluid Pressure Regulating Valve
SEQ3537A590-S	Fluid Pressure Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-00-490-6109?

The FSCG of the NSN 4820-00-490-6109 is 4820

Does the NSN 4820-00-490-6109 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-00-490-6109 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 4820-00-490-6109 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-490-6109 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 4820-00-490-6109 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Wed, Sep 24, 1969