Model: 3381-5-1/4

Fluid Pressure Regulating Valve

Properties:

Body Material
Bronze
Body Style
Straight thru
Media For Which Designed
Nitrogen, liquid or oxygen, liquid
First End Connection Type
Threaded internal pipe
First End Style Designator
Plain
First End Thread Size And Series/type Designator
0.250-18 npt
First End Thread Direction
Right-hand
Second End Relationship With First End
Identical
Seat Material
Plastic, tetrafluoroethylene
Flow Control Device
Diaphragm
Flow Control Device Material
Steel, corrosion resisting
End Connection Quantity
2
Regulation Type
Manual single stage
Manual Control Method
Screw
Valve Loading Method
Spring
Maximum Inlet Pressure Rating
100.0 pounds per square inch
Filter
Not included
Tempurature Rating
-350.0 degrees fahrenheit
NSN
4820-01-184-4301
Part Number
3381-5-1/4
Description
Valve,regulating,fluid Pressure
CAGE
88078

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 3381-5-1/4 NSN 4820-01-184-4301

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:
2,740.0000lbs
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:
127200
UFC:
64480
LTL:
85.0
LCL:
--
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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