Model: 68A4C583-1

Safety Relief Valve

Properties:

Thread Class
3b 2nd end
Thread Class
3b 1st end
Thread Direction
Right-hand 2nd end
Thread Direction
Right-hand 1st end
Valve Discharge Flow Rate
20.0 gallons per minute
Maximum Operating Temp
200.0 degrees fahrenheit single response
Connection Style
G4 gasket sea (boss) 2nd end
Connection Style
Gasket sea (boss) 2nd end
Connection Type
Threaded internal boss 1st end
Connection Type
Threaded internal boss 2nd end
Mounting Facility
Bulkhead
Thready Qty Per Inch (tpi)
12 1st end
Thready Qty Per Inch (tpi)
20 2nd end
Adjustable Pressure Range
+500.0/+5000.0 pounds per square inch
Maximum Operating Pressure
5000.0 pounds per square inch single response
Thread Size
1.500 inches 1st end
Thread Size
0.438 inches 2nd end
Media For Which Designed
Hydraulic fluid, petroleum base single response
Thread Series Designator
Un 1st end
Thread Series Designator
Unf 2nd end
NSN
4820-00-793-0645
Part Number
68A4C583-1
Description
Valve,safety Relief
CAGE
30003

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 68A4C583-1 NSN 4820-00-793-0645

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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
15.7000lbs
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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