991731-1

Safety Relief Valve

NSN 4820-00-494-0547

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
004940547

Product Features

Valve size 3/4 in.

Product Technical Spec.

Pipe Size Accommodated:
0.750 inches all ends
Thread Direction:
Right-hand all ends
Flow Control Device:
Poppet
Bonnet Type:
Inside screw
Bonnet Attachment Method:
Integral
Disk Loading Method:
Spring
Connection Style:
G9 plain, optional en (pipe) all ends
Connection Style:
Plain, optional en (pipe) all ends
Valve Operation Method:
Automatic
Connection Type:
Threaded internal pipe all ends
Features Provided:
Pressure tight outlet side
Adjustable Pressure Range:
+150.0/+350.0 pounds per square inch
Maximum Operating Pressure:
350.0 pounds per square inch single response
Thread Size:
0.750 inches all ends
Opening Pressure Setting:
220.0 pounds per square inch
Material:
Copper alloy seat
Material:
Copper alloy body
Material:
Stainless steel flow control device
Style Designator:
Angle
Thread Series Designator:
Npt all ends
NSN:
4820-00-494-0547
Item Name:
Valve,relief,pressure
Cage Code:
82577

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
VB4YS
Cage Code:
23724
RNCC:
3
RNVC:
2
RNAAC:
KE
Status:
A
MSDS:
SADC:
Part Number:
991731
Cage Code:
82577
RNCC:
7
RNVC:
2
RNAAC:
KE
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:
4.0000lbs
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:
576
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): "Pressure Relief Valve"

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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