Model: 4541-4

Safety Relief Valve

Properties:

Thread Class
3b all ends
Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Bonnet Type
Packing retaining
Disk Loading Method
Spring
Valve Discharge Flow Rate
2.5 gallons per minute
Maximum Operating Temp
160.0 degrees fahrenheit single response
Connection Style
G4 gasket sea (boss) all ends
Connection Style
Gasket sea (boss) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal boss all ends
Features Provided
Pressure tight outlet side
Thready Qty Per Inch (tpi)
20 all ends
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.437 inches all ends
Opening Pressure Setting
1500.0 pounds per square inch
Outside Diameter Tube Accommodated
0.250 inches all ends
Material
Aluminum alloy 2024 body
Material
Stainless steel flow control device
Material
Stainless steel seat
Material Specification
Qq-a-225/6, alloy 2024 federal specification single material response body
Media For Which Designed
Hydraulic fluid, mineral base single response
Surface Treatment
Anodize
Style Designator
Straight thru
Thread Series Designator
Unjf all ends
NSN
4820-00-555-0000
Part Number
4541-4
Description
Valve,safety Relief
CAGE
06177

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 4541-4 NSN 4820-00-555-0000

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:
U
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:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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