Model: E9920L51M

Safety Relief Valve

Properties:

Pipe Size Accommodated
0.250 inches all ends
Flow Control Device
Disk
Maximum Operating Temp
150.0 degrees fahrenheit single response
Valve Operation Method
Automatic
Connection Type
Unthreaded internal pipe all ends
Adjustable Pressure Range
+75.0/+110.0 pounds per square inch
Maximum Operating Pressure
400.0 pounds per square inch single response
Criticality Code Justification
Zzzy
Material
Copper alloy body
Material
Nickel alloy seat
Material
Nickel alloy stem
Material Specification
Astm b-61 assn standard single material response body
Material Specification
Qq-n-281 federal specification single material response seat
Material Specification
Qq-n-281 federal specification single material response stem
Media For Which Designed
Water-oil-gas single response
Reference Number Differentiating Characteristics
Requires special cleaning and packaging for oxygen/nitrogen service
NSN
4820-01-262-4176
Part Number
E9920L51M
Description
Valve,safety Relief
CAGE
15187

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

Part E9920L51M NSN 4820-01-262-4176

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05488
FIIG:
A046B0
Concept No.:
1
App. Key:
AP
Cond. Code:
1
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:
Y

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:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8481400000
  • SITC: 74740
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Safety or relief valves

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