Model: P249-15

Safety Relief Valve

Properties:

Thread Class
3a 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Bonnet Type
Packing retaining
Disk Loading Method
Spring
Maximum Operating Temp
225.0 degrees fahrenheit single response
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
Features Provided
Pressure tight outlet side
Thready Qty Per Inch (tpi)
18 1st end
Maximum Operating Pressure
100.0 pounds per square inch single response
Thread Size
0.562 inches 1st end
Opening Pressure Setting
15.0 pounds per square inch
Outside Diameter Tube Accommodated
0.375 inches 1st end
Material
Aluminum alloy body
Material
Aluminum alloy flow control device and rubber butadiene-acrylonitrile class nbr flow control device
Material
Aluminum alloy seat
Material Specification
Qq-a-225/6, alloy 2024, t4 federal specification 1st material response flow control device
Material Specification
Qq-a-225/6, alloy 2024, t4 federal specification single material response body
Material Specification
Qq-a-225/6, alloy 2024, t4 federal specification single material response seat
Media For Which Designed
Air 1st responsecarbon dioxide 2nd responsehelium 3rd responsehydrogen 4th responsenitrogen, gaseous 5th response
Style Designator
Straight thru
Thread Series Designator
Unf 1st end
NSN
4820-00-529-3898
Part Number
P249-15
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 P249-15 NSN 4820-00-529-3898

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:
0.2 X 0.2 X 0.2
Paclk Weight:
0.1000lbs
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:
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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