Model: 559T-6D-7

Safety Relief Valve

Properties:

Thread Class
3a 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Disk Loading Method
Spring
Renewable Seat Ring Type
Pressed-in
Maximum Operating Temp
280.0 degrees fahrenheit single response
Connection Style
G46a plain (tube) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external tube 1st end
Maximum Operating Pressure
200.0 pounds per square inch single response
Thread Size
0.562 inches 1st end
Opening Pressure Setting
7.0 pounds per square inch
Material
Rubber butadiene-acrylonitrile class nbr seat
Material
Steel comp 303 body
Material
Steel comp 303se flow control device
Material
Steel comp 303se stem
Material Specification
Qq-s-764, type 303se-canceled federal specification single material response body
Material Specification
Qq-s-764, type 303se-canceled federal specification single material response flow control device
Material Specification
Qq-s-764, type 303se-canceled federal specification single material response stem
Media For Which Designed
Air 1st responsealcohol, ethyl 2nd responseammonia, gaseous 3rd responsefuel/oil, hydrocarbon 4th responsehelium 5th response
Thread Series Designator
Unjf 1st end
NSN
4820-01-052-5166
Part Number
559T-6D-7
Description
Valve,safety Relief
CAGE
91816

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 559T-6D-7 NSN 4820-01-052-5166

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:
U
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:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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