1551AS139-1

View detailed technical data, stock status, and sourcing information for: 1551AS139-1
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-301-8011

Item Name Code

27565

Assigment Date

06/03/1989 (37 years ago)

oxygen, liquid media for which designed, straight thru body style, flare first end style designator, 0.375 inches nominal first end outside diameter tube accommodated, threaded internal tube 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
Media For Which Designed: oxygen, liquid
First End Connection Type: threaded internal tube
First End Style Designator: flare
First End Outside Diameter Tube Accommodated: 0.375 inches nominal
First End Thread Size And Series/Type Designator: unable to decode
First End Thread Class: 3b
First End Thread Direction: right-hand
Second End Relationship With First End: identical
First End Seat Angle In Deg: 45.0
Flow Control Device: disk
End Connection Quantity: 2
Outlet Pressure Range: +200.0 to 10000.0 pounds per square inch
Regulation Type: manual single stage
Manual Control Method: knob
Valve Loading Method: spring
Maximum Inlet Pressure Rating: 7000.0 pounds per square inch
Filter: not included
Material: unable to decode
Reference Number Differentiating Characteristics: cleaning shall be in accordance with mil-c-52211 for oxygen service

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
1551AS139	Fluid Pressure Regulating Valve
1551AS139-1	Fluid Pressure Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-01-301-8011?

The FSCG of the NSN 4820-01-301-8011 is 4820

Does the NSN 4820-01-301-8011 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-301-8011 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 4820-01-301-8011 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-301-8011 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 4820-01-301-8011 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Sat, Jun 3, 1989