Model: 2R2934

Safety Relief Valve

Properties:

Thread Class
3a all ends
Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Valve Discharge Flow Rate
1.0 gallons per minute
Maximum Operating Temp
275.0 degrees fahrenheit single response
Connection Style
G45 flareless (tube) all ends
Valve Operation Method
Automatic
Connection Type
Threaded external tube all ends
Thready Qty Per Inch (tpi)
18 1st end
Thready Qty Per Inch (tpi)
20 2nd end
Maximum Operating Pressure
140.0 pounds per square inch single response
Thread Size
0.438 inches 2nd end
Thread Size
0.562 inches 1st end
Seat Angle
12.0 degrees all ends
Opening Pressure Setting
120.0 pounds per square inch
Material
Aluminum alloy 2024 flow control device
Material
Aluminum alloy 2024 body
Material Specification
Qq-a-225/6 federal specification single material response flow control device
Material Specification
Qq-a-225/6 federal specification single material response body
Media For Which Designed
Oil, hydraulic single response
Surface Treatment
Anodize
Surface Treatment Specification
Mil-a-8625, type 2 military specification single treatment response
Thread Series Designator
Unjf all ends
NSN
4820-01-178-2939
Part Number
2R2934
Description
Valve,safety Relief
CAGE
99240

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 2R2934 NSN 4820-01-178-2939

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:
--
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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