Model: 211038573

Safety Relief Valve

Properties:

Pipe Size Accommodated
0.500 inches all ends
Flow Control Device
Disk
Disk Loading Method
Spring
Valve Discharge Flow Rate
434.0 cubic feet per minute
Maximum Operating Temp
165.0 degrees fahrenheit single response
End Application
Seawolf class ssn
Valve Operation Method
Automatic
Connection Type
Unthreaded internal pipe all ends
Adjustable Pressure Range
+4001.0/+5499.0 pounds per square inch
Maximum Operating Pressure
6000.0 pounds per square inch single response
Criticality Code Justification
Zzzy
Opening Pressure Setting
4900.0 pounds per square inch
Material
Nickel alloy stem
Material
Nickel alloy body
Material
Nickel alloy flow control device
Material Specification
Qq-n-281 federal specification single material response body
Material Specification
Qq-n-281 federal specification single material response flow control device
Material Specification
Qq-n-281 federal specification single material response stem
Media For Which Designed
Nitrogen, gaseous single response
Reference Number Differentiating Characteristics
Cleaned in accordance with mil-i-52211
NSN
4820-01-376-9852
Part Number
211038573
Description
Valve,safety Relief
CAGE
96169

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 211038573 NSN 4820-01-376-9852

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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