Model: E9920-A-51M

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
End Application
Sturgeon class ss (637)
Valve Operation Method
Automatic
Connection Type
Unthreaded internal pipe all ends
Maximum Operating Pressure
400.0 pounds per square inch single response
Opening Pressure Setting
7.0 pounds per square inch
Material
Copper alloy 922 body
Material
Nickel alloy seat
Material
Nickel alloy stem
Material
Nickel alloy flow control device
Specification Data
81349-mil-v-22549 government specification
Nondefinitive Specification/std Data
400 class
NSN
4820-01-325-4659
Part Number
E9920-A-51M
Description
Valve,safety Relief
CAGE
01343

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 E9920-A-51M NSN 4820-01-325-4659

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:
X

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:
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:
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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