Model: 1L21F3-40S2

Safety Relief Valve

Properties:

Thread Direction
Right-hand all ends
Flow Control Device
Piston
Bonnet Attachment Method
Threaded
Valve Discharge Flow Rate
40.0 gallons per minute
Connection Style
G9 plain, optional en (pipe) all ends
Connection Style
Plain, optional en (pipe) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe all ends
Adjustable Pressure Range
+1000.0/+4000.0 pounds per square inch
Maximum Operating Pressure
5000.0 pounds per square inch single response
Thread Size
0.375 inches all ends
Material
Aluminum alloy body
Material
Rubber butadiene-acrylonitrile class nbr packing
Material
Steel flow control device
Material
Steel seat
Media For Which Designed
Hydraulic fluid, petroleum base single response
Style Designator
Angle
Thread Series Designator
Nptf all ends
NSN
4820-00-235-3892
Part Number
1L21F3-40S2
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 1L21F3-40S2 NSN 4820-00-235-3892

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127220
UFC:
64490
LTL:
77.5
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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