Model: 1A21-F3-40SV

Safety Relief Valve

Properties:

Thread Direction
Right-hand 2nd end
Thread Direction
Right-hand 1st end
Flow Control Device
Ball
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 1st end
Connection Type
Threaded internal pipe 2nd end
Maximum Operating Pressure
6000.0 pounds per square inch single response
Thread Size
0.250 inches 1st end
Thread Size
0.375 inches 2nd end
Opening Pressure Setting
2000.0 pounds per square inch
Material
Aluminum alloy
Style Designator
Straight through note: to be used for valve bodies of one section only.
Thread Series Designator
Nptf 1st end
Thread Series Designator
Nptf 2nd end
NSN
4820-00-675-0823
Part Number
1A21-F3-40SV
Description
Valve,safety Relief
CAGE
0GD25

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 1A21-F3-40SV NSN 4820-00-675-0823

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
2.0000lbs
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:
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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