1250

Fluid Pressure Regulating Valve

NSN 4820-00-256-5198

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
UOM:
NIIN:
002565198

Detail Specifications

Body Material:
Steel, carbon
First End Flange Outside Diameter:
3.750 inches
Body Style:
Straight thru
Stem Material:
Steel, corrosion resisting
First End Connection Type:
Raised face flange
First End Style Designator:
Raised
First End Raised Face Height:
0.062 inches
First End Raised Face Diameter:
1.375 inches
First End Flange Shape Style:
Round w/ bolt holes
First End Bolt Hole Quantity:
4
First End Bolt Hole Diameter:
0.625 inches
First End Bolt Circle Diameter:
2.625 inches
Second End Relationship With First End:
Identical
Seat Material:
Steel, corrosion resisting
Face To Face Distance:
7.500 inches
Packing Material:
Asbestos and plastic
Flow Control Device:
Disk, plug type
Flow Control Device Material:
Plastic, tetrafluoroethylene
End Connection Quantity:
2
Renewable Seat Ring Type:
Threaded
Regulation Type:
Automatic single stage
Valve Stem Design:
Single seat
Valve Loading Method:
Spring
Remote Actuation Method:
Diaphragm
Maximum Inlet Pressure Rating:
250.0 pounds per square inch
Outlet Pressure Setting:
150.0 pounds per square inch
Filter:
Included
NSN:
4820-00-256-5198
Item Name:
Air Valve
Cage Code:
33547

Manufacturer Part Numbers

No other part numbers with same form, fit, and function found.

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
27565
FIIG:
A21100
Concept No.:
1
App. Key:
D
Cond. Code:
2
Status:
A

Part Materials

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

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Pricing & Availability

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Privacy | Terms

Definition Definition of approved item name (AIN): "Air Valve"

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.

MOE Major Organizational Entities

Entity
DSOR
User:
TENNESSEE VALLEY AUTHORITY Tennessee Valley Authority
DSOR:
Import / Export
  • Schedule B: 8481809015
  • SITC: 74780
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Classification: Regulator valves, self-operating, for controlling variables such as temperature, pressure, flow and liquid level


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