Model: 21-5445-Q

Fluid Pressure Regulating Valve

Properties:

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
NSN
4820-01-256-0264
Part Number
21-5445-Q
Description
Valve,regulating,fluid Pressure
CAGE
34920

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.

Part 21-5445-Q NSN 4820-01-256-0264

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

Material Classification

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 8481809015
  • SITC: 74780
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

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

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