Model: D559T16D4

Safety Relief Valve

Properties:

Thread Class
3a 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Disk Loading Method
Spring
Connection Style
G50 external seat for gasket seal (boss) 1st end
Connection Style
External seat for gasket seal (boss) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external boss 1st end
Thready Qty Per Inch (tpi)
12 1st end
Thread Size
1.312 inches 1st end
Opening Pressure Setting
4.0 pounds per square inch
Material
Steel comp 303 body
Material
Steel comp 303 flow control device and rubber butadiene-acrylonitrile class nbr flow control device
Material
Steel comp 303 seat
Material Specification
Fed standard 66, aisi 303/sae 30303 federal standard single material response body
Material Specification
Fed standard 66, aisi 303/sae 30303 federal standard single material response seat
Material Specification
Fed standard 66, aisi 303/sae 30303 federal standard 1st material response flow control device
Surface Treatment
Passivate
Style Designator
Straight through w/baffle
Thread Series Designator
Un 1st end
NSN
4820-00-102-9720
Part Number
D559T16D4
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 D559T16D4 NSN 4820-00-102-9720

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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
1.5000lbs
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:
Z
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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