Model: 7M304S2N1400C

Safety Relief Valve

Special Features:

Used in oxygen system application; to be cleaned i.A.W.Mil-c-81302

Properties:

Thread Direction
Right-hand all ends
Maximum Operating Temp
250.0 degrees fahrenheit single response
Minimum Operating Temp
-40.0 degrees fahrenheit
End Application
Aircraft; mcdonnell douglas, fa/18 hornet
Connection Style
G46b plain (pipe) all ends
Valve Operation Method
Automatic
Connection Type
Threaded external pipe all ends
Thread Size
0.250 inches all ends
Opening Pressure Setting
140.0 pounds per square inch
Material
Steel comp 303 body
Material Specification
Astm a582 assn standard single material response body
Media For Which Designed
Oxygen, gaseous single response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification all treatment responses
Thread Series Designator
Npt all ends
NSN
4820-01-438-9221
Part Number
7M304S2N1400C
Description
Valve,safety Relief
CAGE
76301

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 7M304S2N1400C NSN 4820-01-438-9221

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:
ZZ
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:
Equipment for Aircraft

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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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