Model: 406277-1

Safety Relief Valve

Special Features:

Extended stem

Properties:

Thread Class
2b 1st end
Thread Direction
Right-hand 2nd end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Maximum Operating Temp
230.0 degrees fahrenheit single response
Connection Style
G46b plain (pipe) 2nd end
Connection Style
G5a flar (tube) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external pipe 2nd end
Connection Type
Threaded internal tube 1st end
Mounting Facility
Threaded fastener
Maximum Operating Pressure
300.0 pounds per square inch single response
Thread Size
0.188 inches all ends
Opening Pressure Setting
50.0 pounds per square inch
Outside Diameter Tube Accommodated
0.125 inches all ends
Material
Copper alloy body
Material
Stainless steel seat
Media For Which Designed
Water, salt 2nd response
Media For Which Designed
Air 1st response
Thread Series Designator
Npt 2nd end
Thread Series Designator
Unf 1st end
NSN
4820-01-116-4868
Part Number
406277-1
Description
Valve,safety Relief
CAGE
00752

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 406277-1 NSN 4820-01-116-4868

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:
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:
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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