Model: 1L21-F3-15S

Safety Relief Valve

Properties:

Thread Direction
Right-hand all ends
Flow Control Device
Piston
Bonnet Type
Inside screw
Bonnet Attachment Method
Threaded
Valve Discharge Flow Rate
40.0 gallons per minute
Connection Style
G9 plain, optional en (pipe) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe all ends
Maximum Operating Pressure
5000.0 pounds per square inch single response
Thread Size
0.375 inches all ends
Opening Pressure Setting
15.0 pounds per square inch
Material
Aluminum body
Material
Steel flow control device
Media For Which Designed
Oil, hydraulic single response
Thread Series Designator
Nptf all ends
NSN
4820-01-186-5980
Part Number
1L21-F3-15S
Description
Valve,safety Relief
CAGE
8Z296

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 1L21-F3-15S NSN 4820-01-186-5980

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

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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