E521

Safety Relief Valve

NSN 4820-00-289-2009

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
002892009

Technical Specifications of NSN

Flow Control Device:
Disk
Disk Loading Method:
Spring
Bolt Hole Quantity:
6 all ends
Maximum Operating Temp:
425.0 degrees fahrenheit single response
Valve Operation Method:
Automatic or manual
Flange Shape:
Round with holes all ends
Connection Type:
Flange all ends
Valve Size:
2.000 inches
Adjustable Pressure Range:
+18.0/+32.0 pounds per square inch
Maximum Operating Pressure:
100.0 pounds per square inch single response
Outside Diameter:
5.562 inches all ends
Thickness:
0.438 inches all ends
First Connection Face To Centerline Distance:
3.875 inches
Bolt Hole Diameter:
0.562 inches all ends
Second Connection Face To Centerline Distance:
4.000 inches
Bolt Circle Diameter:
4.438 inches all ends
Flange Face Design:
Plain all ends
Material:
Copper alloy flow control device
Material:
Copper alloy seat
Material:
Copper alloy body
Material:
Nickel alloy stem
Media For Which Designed:
Steam single response
Style Designator:
Angle flanged ends
NSN:
4820-00-289-2009
Item Name:
Fuse,velocity
Cage Code:
75954

Other Related Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
L2210C2IN
Cage Code:
15187
RNCC:
3
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
L2210C2IN
Cage Code:
01343
RNCC:
5
RNVC:
9
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
25J926
Cage Code:
75954
RNCC:
5
RNVC:
9
RNAAC:
AX
Status:
A
MSDS:
SADC:
Part Number:
L2210C2IN
Cage Code:
75954
RNCC:
5
RNVC:
9
RNAAC:
AX
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:
127220
UFC:
64490
LTL:
77.5
LCL:
--
WCC:
594
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Privacy | Terms

Definition Definition of approved item name (AIN): "Velocity Fuse"

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:
User:
SPAIN Spain
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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