Model: N-573

Fluid Pressure Regulating Valve

Properties:

Body Material
Copper alloy
First End Flange Outside Diameter
5.062 inches
Body Style
Straight thru
Stem Material
Nickel copper alloy
Media For Which Designed
Hydrocarbon fuels and oils
First End Connection Type
Plain face flange
First End Style Designator
Plain
First End Flange Shape Style
Round w/ bolt holes
First End Flange Thickness
0.812 inches
First End Bolt Hole Quantity
6
First End Bolt Hole Diameter
0.562 inches
First End Bolt Circle Diameter
3.938 inches
Second End Relationship With First End
Identical
Face To Face Distance
9.562 inches
Flow Control Device
Disk, dual, top guided
Flow Control Device Material
Nickel copper alloy, qq-n-288, comp b
End Connection Quantity
2
Outlet Pressure Range
+25.0/+60.0 pounds per square inch
Regulation Type
Automatic double stage
Valve Stem Design
Double seat
Valve Loading Method
Spring
Filter
Not included
NSN
4820-01-142-9668
Part Number
N-573
Description
Valve,regulating,fluid Pressure
CAGE
35795

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 N-573 NSN 4820-01-142-9668

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
25.0000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127220
UFC:
64490
LTL:
77.5
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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