1511-H

Safety Relief Valve

NSN 4820-01-121-8057

DEMIL
Shelf Life
UOM
NIIN
Demil:
DEMIL/MLI
Shelf Life:
UOM:
NIIN:
011218057

Detail Specifications

Thread Direction:
Right-hand 1st end
Flow Control Device:
Disk
Bonnet Type:
Inside spring
Bonnet Attachment Method:
Bolted
Disk Loading Method:
Spring
Bolt Hole Quantity:
4 2nd end
Maximum Operating Temp:
450.0 degrees fahrenheit single response
End Application:
Heating system onboard 270 ft wmec cg vessels
Connection Style:
Plain, optional en (pipe) 1st end
Valve Operation Method:
Automatic
Flange Shape:
Round with holes 2nd end
Connection Type:
Flange 2nd end
Connection Type:
Threaded internal pipe 1st end
Valve Size:
2.500 inches
Maximum Operating Pressure:
30.0 pounds per square inch single response
Thread Size:
2.500 inches 1st end
Outside Diameter:
6.125 inches 2nd end
Thickness:
0.812 inches 2nd end
First Connection Face To Centerline Distance:
4.000 inches
Bolt Hole Diameter:
0.750 inches 2nd end
Second Connection Face To Centerline Distance:
4.250 inches
Bolt Circle Diameter:
4.500 inches 2nd end
Flange Face Design:
Raised straight 2nd end
Raised Face Height:
0.062 inches 2nd end
Raised Face Diameter:
3.562 inches 2nd end
Material:
Copper alloy flow control device
Material:
Copper alloy seat
Material:
Copper alloy stem
Material:
Iron cast body
Style Designator:
Angle flanged ends
Thread Series Designator:
Npt 1st end
NSN:
4820-01-121-8057
Item Name:
Valve,safety Relief,transducer
Cage Code:
16497

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
3VP953-H
Cage Code:
57756
RNCC:
5
RNVC:
9
RNAAC:
XF
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:
A
ESD:
ESD:
MMAC:
CRITL:
X

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Privacy | Terms

Definition Definition of approved item name (AIN): "Transducer Safety 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.

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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