Model: 538-1041-05

Safety Relief Valve

Special Features:

Designed to function with pilot valve 4820011611323

Properties:

Pipe Size Accommodated
3.000 inches 1st end
Flow Control Device
Poppet
Disk Loading Method
Spring
Valve Discharge Flow Rate
845.0 gallons per minute
Valve Operation Method
Automatic
Connection Type
Unthreaded external pipe 1st end
Opening Pressure Setting
250.0 pounds per square inch
Material
Copper alloy body or iron cast body
NSN
4820-01-206-3521
Part Number
538-1041-05
Description
Valve,safety Relief
CAGE
26840

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 538-1041-05 NSN 4820-01-206-3521

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:
BT
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
22.4000lbs
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:
736
TCC:
Z
SHC:
9
ACC:
Construction Materials

End Items End applications NSN 4820-01-206-3521 is a component of

  • T-39 Aircraft
  • Fire/crash P15 Truck
  • Aircraft Crash/structure Firefighting (a/332p-19a) Truck
  • Fire Fighting Equipment

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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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