20185

Safety Relief Valve

NSN 4820-00-464-2500

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
004642500

Product Features

As differentiated by the end connection type and adjustable pressure range requirements

Technical Specifications of NSN

Flow Control Device:
Disk
Bonnet Type:
Inside spring
Bonnet Attachment Method:
Bolted
Disk Loading Method:
Spring
Renewable Seat Ring Type:
Threaded
Bolt Hole Quantity:
8 all ends
Maximum Operating Temp:
250.0 degrees fahrenheit single response
Valve Operation Method:
Automatic
Flange Shape:
Round with holes all ends
Connection Type:
Flange all ends
Valve Size:
3.000 inches
Adjustable Pressure Range:
+121.0 to 135.0 pounds per square inch
Maximum Operating Pressure:
400.0 pounds per square inch single response
Outside Diameter:
8.125 inches all ends
Thickness:
0.938 inches all ends
First Connection Face To Centerline Distance:
6.000 inches
Bolt Hole Diameter:
0.812 inches all ends
Second Connection Face To Centerline Distance:
6.000 inches
Bolt Circle Diameter:
6.562 inches all ends
Flange Face Design:
Plain all ends
Material:
Nickel alloy seat
Material:
Nickel alloy stem
Style Designator:
C1a angle flanged ends
Style Designator:
Angle flanged ends
NSN:
4820-00-464-2500
Item Name:
Lock Valve Assembly
Cage Code:
01343

Other Related Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
1741T
Cage Code:
15187
RNCC:
5
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
20185PS41M
Cage Code:
15187
RNCC:
3
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
1741T
Cage Code:
01343
RNCC:
5
RNVC:
9
RNAAC:
AX
Status:
A
MSDS:
SADC:
Part Number:
20185PS41M
Cage Code:
01343
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:
A
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

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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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.

MOE Major Organizational Entities

Entity
DSOR
User:
DEPARTMENT OF THE NAVY Dept. of the Navy
DSOR:
User:
TURKEY Turkey
DSOR:
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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