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Fluid Pressure Regulating Valve NSN 4820-01-256-0264

Item Description

A valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. It is designed for use with compressed gas(es) and various liquids and may include gauges. It may be inline or cartridge (manifold) design. Excludes regulator, pressure, medical gas administration apparatus; regulator, oxygen, barometric continuous flow; regulator, oxygen demand; regulator, oxygen diluter demand; and valve(1), fluid pressure regulating, aircraft.

NSN 4820-01-256-0264 NSN: 4820-01-256-0264

Features and Characteristics

Body Material
Brass
Body Style
Angle
Media For Which Designed
Oxygen, gaseous
First End Connection Type
Threaded external tube
First End Style Designator
Flared
First End Outside Diameter Tube Accommodated
0.375 inches
First End Thread Size And Series/type Designator
.908-14 ngo
First End Thread Class
2a
First End Thread Direction
Right-hand
Second End Relationship With First End
Not identical
Second End Connection Type
Threaded internal pipe
Second End Style Designator
Plain
Second End Thread Size And Series/type Designator
.562-18 unc
Second End Thread Direction
Right-hand
First End Seat Angle In Deg
37.0
Flow Control Device
Diaphragm
End Connection Quantity
2
Outlet Pressure Range
+0.0/+120.0 pounds per square inch
Regulation Type
Manual single stage
Manual Control Method
Knob
Valve Stem Design
Single seat
Valve Loading Method
Spring
Maximum Inlet Pressure Rating
3000.0 pounds per square inch
Outlet Pressure Accuracy Rating
1.000 pounds per square inch
Filter
Not included
Nondefinitive Specification/std Data
2 type
FSC
4820 Nonpowered Valves
NIIN
012560264
NSN
4820012560264

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MIL-R-13877
Cage Code:
81349
Status:
A
MSDS:
Part Number:
7900631020
Cage Code:
80049
Status:
A
MSDS:
Part Number:
21-5445-Q
Cage Code:
34920
Status:
A
MSDS:
Part Number:
806-8101
Cage Code:
00741
Status:
A
MSDS:
Part Number:
809-9106
Cage Code:
00741
Status:
A
MSDS:
Part Number:
806-6506
Cage Code:
00741
Status:
A
MSDS:
Part Number:
806-9206
Cage Code:
00741
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8481809015
  • NAICS: 332911
  • SITC: 74780
  • Description: Regulator valves, self-operating, for controlling variables such as temperature, pressure, flow and liquid level
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-01-256-0264
What are the manufacturers of nsn 4820012560264?
Does this nsn 4820012560264 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012560264
A valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. it is designed for use with compressed gas(es) and various liquids and may include gauges. it may be inline or cartridge (manifold) design. excludes regulator, pressure, medical gas administration apparatus; regulator, oxygen, barometric continuous flow; regulator, oxygen demand; regulator, oxygen diluter demand; and valve(1), fluid pressure regulating, aircraft.
Does nsn 4820012560264 contain any precious metals?
No precious metal content.
Does nsn 4820012560264 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012560264?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
27565
FIIG:
A21100
App. Key:
D
Cond. Code:
2
Status:
A

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