289U

Safety Relief Valve

NSN 4820-00-841-8600

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
UOM:
NIIN:
008418600

Technical Specifications of NSN

Pipe Size Accommodated:
0.250 inches all ends
Thread Direction:
Right-hand all ends
Flow Control Device:
Disk
Bonnet Type:
Inside spring
Bonnet Attachment Method:
Bolted
Disk Loading Method:
Spring
Connection Style:
G9 plain, optional en (pipe) all ends
Valve Operation Method:
Automatic
Connection Type:
Threaded internal pipe all ends
Features Provided:
Valve stem lock shield and pressure tight outlet side
Thready Qty Per Inch (tpi):
18 all ends
Thread Size:
0.250 inches all ends
Opening Pressure Setting:
1.000 pounds per square inch
Material:
Aluminum alloy body
Material:
Aluminum alloy flow control device
Material:
Aluminum alloy seat
Surface Treatment:
Anodize
Thread Series Designator:
Npt all ends
NSN:
4820-00-841-8600
Item Name:
Velocity Fuse
Cage Code:
22508

Other Related Parts

No other part numbers with same form, fit, and function found.

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

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Pricing & Availability

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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:
NATIONAL AERONAUTICS AND SPACE ADMINISTRATION National Aeronautics and Space Administration
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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