NMP405

Safety Relief Valve

NSN 4820-00-273-9431

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
002739431

Technical Specifications of NSN

Flow Control Device:
Disk
Bonnet Type:
Inside spring
Bonnet Attachment Method:
Union
Disk Loading Method:
Spring
Renewable Seat Ring Type:
Threaded
Bolt Hole Quantity:
4 all ends
Maximum Operating Temp:
650.0 degrees fahrenheit single response
Valve Operation Method:
Automatic
Flange Shape:
Round with holes all ends
Connection Type:
Flange all ends
Features Provided:
Pressure tight outlet side
Valve Size:
1.250 inches
Adjustable Pressure Range:
+51.0/+70.0 pounds per square inch
Maximum Operating Pressure:
200.0 pounds per square inch single response
Outside Diameter:
4.500 inches all ends
Thickness:
0.438 inches all ends
First Connection Face To Centerline Distance:
4.250 inches
Bolt Hole Diameter:
0.562 inches all ends
Second Connection Face To Centerline Distance:
5.000 inches
Bolt Circle Diameter:
3.375 inches all ends
Flange Face Design:
Plain all ends
Material:
Steel body
Material:
Stainless steel seat
Material:
Stainless steel stem
Material:
Steel flow control device
Material Specification:
Mil-s-867, class3 military specification single material response flow control device
Media For Which Designed:
Steam 1st response
Media For Which Designed:
Water-oil-gas 2nd response
Style Designator:
Angle flanged ends
NSN:
4820-00-273-9431
Item Name:
Valve,relief,pressure
Cage Code:
15187

Other Related Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
1-1/4IN LL3110B
Cage Code:
15187
RNCC:
3
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
1-1/4IN LL3110B
Cage Code:
75954
RNCC:
5
RNVC:
9
RNAAC:
AX
Status:
A
MSDS:
SADC:
Part Number:
NMP405
Cage Code:
75954
RNCC:
5
RNVC:
9
RNAAC:
AX
Status:
A
MSDS:
SADC:
Part Number:
1-1/4IN LL3110B
Cage Code:
01343
RNCC:
5
RNVC:
9
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
NMP405
Cage Code:
01343
RNCC:
5
RNVC:
9
RNAAC:
ZZ
Status:
A
MSDS:
SADC:

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05488
FIIG:
A046B0
Concept No.:
1
App. Key:
AP
Cond. Code:
1
Status:
A

Part Materials

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Privacy | Terms

Definition Definition of approved item name (AIN): "Pressure Relief Valve"

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.

MOE Major Organizational Entities

Entity
DSOR
User:
DEPARTMENT OF THE NAVY Dept. of the Navy
DSOR:
Import / Export
  • Schedule B: 8481400000
  • SITC: 74740
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Classification: Safety or relief valves


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