C1058A2D18

Safety Relief Valve

NSN 4820-00-051-5222

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
UOM:
NIIN:
000515222

Detail Specifications

Pipe Size Accommodated:
0.250 inches 1st end
Thread Direction:
Right-hand 1st end
Flow Control Device:
Poppet
Disk Loading Method:
Spring
Maximum Operating Temp:
250.0 degrees fahrenheit 1st response
Maximum Operating Temp:
250.0 degrees fahrenheit 2nd response
Maximum Operating Temp:
250.0 degrees fahrenheit 3rd response
Maximum Operating Temp:
250.0 degrees fahrenheit 4th response
Connection Style:
Plain (pipe) 1st end
Valve Operation Method:
Manual
Connection Type:
Threaded external pipe 1st end
Thready Qty Per Inch (tpi):
18 1st end
Maximum Operating Pressure:
200.0 pounds per square inch 1st response
Maximum Operating Pressure:
200.0 pounds per square inch 2nd response
Maximum Operating Pressure:
200.0 pounds per square inch 3rd response
Maximum Operating Pressure:
200.0 pounds per square inch 4th response
Thread Size:
0.250 inches 1st end
Opening Pressure Setting:
18.0 pounds per square inch
Material:
Aluminum alloy
Media For Which Designed:
Hydrogen 4th response
Media For Which Designed:
Acetylene 1st response
Media For Which Designed:
Air 2nd response
Media For Which Designed:
Ammonia, gaseous 3rd response
Style Designator:
Straight thru
Thread Series Designator:
Npt 1st end
NSN:
4820-00-051-5222
Item Name:
Lock Valve Assembly
Cage Code:
81755

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
D539A2M18
Cage Code:
91816
RNCC:
3
RNVC:
2
RNAAC:
AX
Status:
A
MSDS:
SADC:

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05488
FIIG:
A046B0
Concept No.:
1
App. Key:
AP
Cond. Code:
1
Status:
A

Part Materials

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:
--
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

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Pricing & Availability

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Privacy | Terms

Definition Definition of approved item name (AIN): "Lock Valve Assembly"

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.

Import / Export
  • Schedule B: 8481400000
  • SITC: 74740
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Classification: Safety or relief valves


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