Model: 639AS1366-1

Safety Relief Valve

Properties:

Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Disk Loading Method
Spring
Valve Discharge Flow Rate
500.0 cubic feet per minute
Maximum Operating Temp
250.0 degrees fahrenheit single response
Connection Style
G9 plain, optional en (pipe) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe all ends
Adjustable Pressure Range
+3890.0/+7500.0 pounds per square inch
Maximum Operating Pressure
10500.0 pounds per square inch single response
Thread Size
0.250 inches all ends
Material
Plastic polychlorotrifluoroethylene flow control device
Material
Steel body
Material
Steel seat
Material
Steel stem
Material Specification
L-p-385, grade 2 assn standard single material response flow control device
Material Specification
Qq-s-764, type 303-canceled federal specification single material response body
Material Specification
Qq-s-764, type 303-canceled federal specification single material response seat
Material Specification
Qq-s-764, type 303-canceled federal specification single material response stem
Media For Which Designed
Air 1st response
Media For Which Designed
Gas, natural 2nd response
Media For Which Designed
Helium 3rd response
Media For Which Designed
Nitrogen, gaseous 5th response
Media For Which Designed
Oil, hydraulic 4th response
Thread Series Designator
Npt all ends
Furnished Items And Quantity
1 locking device
NSN
4820-01-057-6792
Part Number
639AS1366-1
Description
Valve,safety Relief
CAGE
30003

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 639AS1366-1 NSN 4820-01-057-6792

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:
1.0000lbs
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:
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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