Model: 527-375

Safety Relief Valve

Properties:

Thread Class
3a 2nd end
Thread Direction
Right-hand all ends
Flow Control Device
Disk
Disk Loading Method
Spring
End Application
4120-01-307-7390
Connection Style
G42 flared (tube) 2nd end
Connection Style
G46b plain (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external pipe 1st end
Connection Type
Threaded external tube 2nd end
Maximum Operating Pressure
450.0 pounds per square inch single response
Thread Size
0.500 inches 1st end
Thread Size
0.625 inches 2nd end
Seat Angle
45.0 degrees all ends
Opening Pressure Setting
375.0 pounds per square inch
Material
Copper alloy body
Media For Which Designed
Refrigerant 22 2nd response
Media For Which Designed
Refrigerant 12 1st response
Thread Series Designator
Npt 1st end
Thread Series Designator
Unf 2nd end
NSN
4820-01-415-7285
Part Number
527-375
Description
Valve,safety Relief
CAGE
28193

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 527-375 NSN 4820-01-415-7285

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:
0.8000lbs
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:
594
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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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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