Model: 9974D41M

Safety Relief Valve

Properties:

Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
Maximum Operating Temp
425.0 degrees fahrenheit single response
End Application
Combat system support equipment
Valve Operation Method
Automatic
Flange Shape
Round all ends
Connection Type
Flange all ends
Valve Size
1.500 inches
Adjustable Pressure Range
+20.0/+24.0 pounds per square inch
Maximum Operating Pressure
150.0 pounds per square inch single response
Outside Diameter
5.062 inches all ends
Thickness
0.438 inches all ends
First Connection Face To Centerline Distance
4.750 inches
Second Connection Face To Centerline Distance
4.750 inches
Flange Face Design
Plain all ends
Material
Copper alloy seat
Material
Copper alloy body
Material
Steel comp 316 stem
Material Specification
Qq-c-390, alloy d4/d/ federal specification single material response body
Material Specification
Qq-c-390, alloy d4/d/ federal specification single material response flow control device
Material Specification
Qq-c-390, alloy d4/d/ federal specification single material response seat
Media For Which Designed
Steam 2nd response
Media For Which Designed
Air 1st response
NSN
4820-01-130-3600
Part Number
9974D41M
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 9974D41M NSN 4820-01-130-3600

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:
39.5000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
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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