250E

Safety Relief Valve

NSN 4820-00-202-5522

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
002025522

Technical Specifications of NSN

Pipe Size Accommodated:
1.000 inches 1st end
Pipe Size Accommodated:
1.000 inches 2nd end
Thread Direction:
Right-hand 2nd end
Thread Direction:
Right-hand 1st end
Flow Control Device:
Disk
Bonnet Type:
Inside spring
Bonnet Attachment Method:
Threaded
Disk Loading Method:
Spring
Valve Discharge Flow Rate:
387.0 pounds per hour
Connection Style:
G46b plain (pipe) 2nd end
Connection Style:
G9 plain, optional en (pipe) 1st end
Valve Operation Method:
Automatic or manual
Connection Type:
Threaded external pipe 2nd end
Connection Type:
Threaded internal pipe 1st end
Features Provided:
Pressure tight outlet side
Thread Size:
1.000 inches 1st end
Thread Size:
1.000 inches 2nd end
Opening Pressure Setting:
40.0 pounds per square inch
Material:
Copper alloy flow control device
Material:
Copper alloy seat
Material:
Copper alloy body
Material:
Steel stem
Material Specification:
Qq-c-390, alloyb5/d/ federal specification single material response bodyqq-c-390, alloyb5/d/ federal specification single material response flow control deviceqq-c-390, alloyb5/d/ federal specification single material response seat
Thread Series Designator:
Npt 2nd end
Thread Series Designator:
Npt 1st end
NSN:
4820-00-202-5522
Item Name:
Lock Valve Assembly
Cage Code:
14195

Other Related Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
SER 55-R0 W/1 IN
Cage Code:
17950
RNCC:
C
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
AC
Part Number:
GV500UN1
Cage Code:
26512
RNCC:
C
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
AC
Part Number:
TE-1
Cage Code:
14915
RNCC:
3
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
FIG2501
Cage Code:
14959
RNCC:
5
RNVC:
9
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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
3.8000lbs
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:
Construction Materials

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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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