Model: 31770N

Fluid Pressure Regulating Valve

Properties:

Body Material
Nickel copper alloy
First End Flange Outside Diameter
5.062 inches
Body Style
Straight thru
Stem Material
Nickel copper alloy, qq-n-286, class a or nickel copper alloy, qq-n-286, class b
First End Connection Type
Plain face flange
First End Style Designator
Recessed
First End Recess Diameter
1.656 inches
First End Flange Shape Style
Round w/ bolt holes
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
Seat Material
Nickel copper alloy
Face To Face Distance
9.625 inches
Flow Control Device
Disk
Flow Control Device Material
Rubber, synthetic
End Connection Quantity
2
Outlet Pressure Range
+5.0/+20.0 pounds per square inch
Valve Loading Method
Spring
Remote Actuation Method
Diaphragm
End Application
Valve, pressure reduce 1.5 nps
Criticality Code Justification
Zzzy
Reference Number Differentiating Characteristics
Quality control iaw navships 0948-045-7010 material identification and control instruction level 1 items
NSN
4820-01-423-3145
Part Number
31770N
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 31770N NSN 4820-01-423-3145

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:
S

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
A
SPI No.:
SPI Rev.:
SPC Mkg:
24
LVL_A:
F
LVL_B:
F

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127220
UFC:
64490
LTL:
77.5
LCL:
77.5
WCC:
594
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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