Model: 684-1-1/2SS1

Safety Relief Valve

Properties:

Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Maximum Operating Temp
225.0 degrees fahrenheit single response
Minimum Operating Temp
-40.0 degrees fahrenheit
End Application
A/c salvage c
Connection Style
G46b plain (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external pipe 1st end
Thread Size
0.500 inches 1st end
Opening Pressure Setting
5.0 pounds per square inch
Part Name Assigned By Controlling Agency
Vent valve
Material
Copper alloy body
Material
Rubber synthetic seat
Material
Steel comp 303 flow control device
Media For Which Designed
Air single response
Thread Series Designator
Npt 1st end
NSN
4820-01-435-8842
Part Number
684-1-1/2SS1
Description
Valve,safety Relief
CAGE
56529

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 684-1-1/2SS1 NSN 4820-01-435-8842

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:
5.0000lbs
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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