Model: NMP-1144

Safety Relief Valve

Properties:

Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Union
Disk Loading Method
Spring
Bolt Hole Quantity
6 all ends
Maximum Operating Temp
150.0 degrees fahrenheit single response
Valve Operation Method
Automatic or manual
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Mounting Facility
Clamp
Valve Size
2.0000 inches
Maximum Operating Pressure
150.0 pounds per square inch single response
Outside Diameter
5.5625 inches all ends
Thickness
0.4375 inches all ends
First Connection Face To Centerline Distance
4.000 inches
Bolt Hole Diameter
0.5625 inches all ends
Second Connection Face To Centerline Distance
4.000 inches
Bolt Circle Diameter
4.4375 inches all ends
Flange Face Design
Plain all ends
Part Name Assigned By Controlling Agency
2" x 2" dl/b-1 & dl/b-2 series relief valve
Material
Bronze body
Material
Steel comp 303 seat
Material
Stainless steel flow control device
Material
Stainless steel stem
Furnished Items And Quantity
1 handle
Specification Data
81349-mil-f-20042 cl. 150 government specification
NSN
4820-01-504-4387
Part Number
NMP-1144
Description
Valve,safety Relief
CAGE
15187

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 NMP-1144 NSN 4820-01-504-4387

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:
--
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:
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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