A49141

Safety Relief Valve

NSN 4820-00-168-3939

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
EA
NIIN:
001683939

Product Technical Spec.

Flow Control Device:
Disk
Bonnet Type:
Exposed spring
Bonnet Attachment Method:
Bolted
Disk Loading Method:
Spring
Valve Discharge Flow Rate:
21000.0 pounds per hour
Renewable Seat Ring Type:
Threaded
Bolt Hole Quantity:
4 1st end
Bolt Hole Quantity:
8 2nd end
Valve Operation Method:
Automatic or manual
Flange Shape:
Round with holes 1st end
Flange Shape:
Round with holes 2nd end
Features Provided:
Pressure tight outlet side
Valve Size:
1.500 inches
Opening Pressure Setting:
1375.0 pounds per square inch
Outside Diameter:
7.000 inches 1st end
Outside Diameter:
7.562 inches 2nd end
Bolt Hole Diameter:
0.812 inches 2nd end
Bolt Hole Diameter:
1.062 inches 1st end
Bolt Circle Diameter:
4.875 inches 1st end
Bolt Circle Diameter:
6.000 inches 2nd end
Flange Face Design:
Plain 2nd end
Flange Face Design:
Recessed straight 1st end
Recess Diameter:
2.250 inches 1st end
Recess Depth:
0.125 inches 1st end
Style Designator:
Angle flanged ends
Reference Number Differentiating Characteristics:
As differentiated by the valve discharge flow rate requirement
NSN:
4820-00-168-3939
Item Name:
Lock Valve Assembly
Cage Code:
15187

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
5VZF72
Cage Code:
16497
RNCC:
3
RNVC:
1
RNAAC:
HD
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:
M
SPI No.:
SPI Rev.:
SPC Mkg:
99
LVL_A:
Q
LVL_B:
F

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127220
UFC:
64490
LTL:
77.5
LCL:
77.5
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:
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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