Model: 665-6-6SS1

Safety Relief Valve

Special Features:

Kend connections are identical; internal strait threads; gasket seal. O-ring buna n iaw mil-p-531 (b) superseded by qpl-5315-23 for use with jp-3, jp-4, jp-5 fuel. Next higher assembly fuel system, p/n 23059421.

Properties:

Flow Control Device
Poppet
Disk Loading Method
Spring
Valve Discharge Flow Rate
4.0 gallons per minute
Renewable Seat Ring Type
Pressed-in
Minimum Operating Temp
-40.0 degrees fahrenheit
End Application
Generator set ag9140 rs; w/s designator arleigh burke class ddg
Valve Operation Method
Automatic
Connection Type
Threaded internal tube all ends
Adjustable Pressure Range
+430.0/+650.0 pounds per square inch
Opening Pressure Setting
550.0 pounds per square inch
Outside Diameter Tube Accommodated
0.250 inches all ends
Material
Rubber butadiene-acrylonitrile class nbr seat
Material
Steel comp 416 flow control device
Material
Stainless steel body
Media For Which Designed
Ethylene glycol single response
NSN
4820-01-486-5173
Part Number
665-6-6SS1
Description
Valve,safety Relief
CAGE
72352

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.

Part 665-6-6SS1 NSN 4820-01-486-5173

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

Material Classification

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
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:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8481400000
  • SITC: 74740
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Safety or relief valves

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