D661-1256

Safety Relief Valve

NSN 4820-00-831-7565

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
008317565

Technical Specifications of NSN

Pipe Size Accommodated:
0.500 inches 2nd end
Pipe Size Accommodated:
0.750 inches 1st end
Thread Direction:
Right-hand 2nd end
Thread Direction:
Right-hand 1st end
Flow Control Device:
Disk
Bonnet Type:
Inside spring
Bonnet Attachment Method:
Threaded
Disk Loading Method:
Spring
Renewable Seat Ring Type:
Pressed-in
Connection Style:
G46b plain (pipe) 2nd end
Connection Style:
G9 plain, optional en (pipe) 1st end
Valve Operation Method:
Automatic
Connection Type:
Threaded external pipe 2nd end
Connection Type:
Threaded internal pipe 1st end
Features Provided:
Valve stem lock shield and bonnet packing and pressure tight outlet side
Thready Qty Per Inch (tpi):
14 1st end
Thready Qty Per Inch (tpi):
14 2nd end
Maximum Operating Pressure:
150.0 pounds per square inch single response
Thread Size:
0.500 inches 2nd end
Thread Size:
0.750 inches 1st end
Material:
Copper alloy
Thread Series Designator:
Npt 2nd end
Thread Series Designator:
Npt 1st end
NSN:
4820-00-831-7565
Item Name:
Fuse,velocity
Cage Code:
96101

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.2000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
ZZ
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:
Construction Materials

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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:
DEFENSE LOGISTICS AGENCY Defense Logistics Agency
DSOR:
User:
GREECE Greece
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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