646B-1-12-2

Safety Relief Valve

NSN 4820-00-490-6714

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
004906714

Detail Specifications

Thread Direction:
Right-hand 2nd end
Thread Direction:
Right-hand 1st end
Flow Control Device:
Poppet
Disk Loading Method:
Spring
Maximum Operating Temp:
225.0 degrees fahrenheit single response
Connection Style:
G46b plain (pipe) 2nd end
Connection Style:
G9 plain, optional en (pipe) 1st end
Connection Style:
Plain (pipe) 2nd end
Connection Style:
Plain, optional en (pipe) 1st end
Valve Operation Method:
Automatic
Connection Type:
Threaded external pipe 2nd end
Connection Type:
Threaded internal pipe 1st end
Adjustable Pressure Range:
+4.0/+15.0 pounds per square inch
Maximum Operating Pressure:
3600.0 pounds per square inch single response
Thread Size:
0.500 inches 1st end
Thread Size:
0.500 inches 2nd end
Material:
Rubber synthetic seat
Material:
Stainless steel body
Material:
Stainless steel flow control device
Media For Which Designed:
Air 1st response
Media For Which Designed:
Hydraulic fluid, petroleum base 2nd response
Style Designator:
Angle
Thread Series Designator:
Npt 2nd end
Thread Series Designator:
Npt 1st end
NSN:
4820-00-490-6714
Item Name:
Lock Valve Assembly
Cage Code:
09990

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
646B1 1-2 2
Cage Code:
86768
RNCC:
5
RNVC:
9
RNAAC:
SB
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:
NY
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:
77.5
WCC:
594
TCC:
Z
SHC:
Z
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.

MOE Major Organizational Entities

Entity
DSOR
User:
DEPARTMENT OF THE AIR FORCE Dept. of the Air Force
DSOR:
User:
NATIONAL AERONAUTICS AND SPACE ADMINISTRATION National Aeronautics and Space Administration
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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