Model: 481-1/8B-2

Check Valve

Properties:

Pipe Size Accommodated
0.125 inches 2nd end
Pipe Size Accommodated
0.125 inches 1st end
Thread Direction
Right-hand 2nd end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Disk Loading Method
Spring
Maximum Operating Temp
200.0 degrees fahrenheit single response
Connection Style
Plain (pipe) 2nd end
Connection Style
Plain, optional end (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external pipe 2nd end
Connection Type
Threaded internal pipe 1st end
Mounting Position
Horizontal or vertical
Thready Qty Per Inch (tpi)
27 2nd end
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.125 inches 1st end
Thread Size
0.125 inches 2nd end
Material
Copper alloy 360 body and steel comp 303 body
Material
Copper alloy 360 seat
Material
Rubber butadiene-acrylonitrile class nbr packing
Material
Steel comp 304 flow control device
Material Specification
Fed standard 66, aisi 303/sae 30303 federal standard 1st material response flow control device and federal standard 66, aisi 304/sae 30304 federal standard 2nd material response flow control device
Material Specification
Qq-b-626, alloy 360 federal specification single material response seat
Material Specification
Qq-b-626, alloy 360 federal specification single material response body
Media For Which Designed
Water, fresh 3rd response
Media For Which Designed
Air 1st response
Media For Which Designed
Fuel/oil, hydrocarbon 2nd response
Style Designator
Straight thru
Thread Series Designator
Npt 2nd end
Thread Series Designator
Npt 1st end
NSN
4820-00-744-1239
Part Number
481-1/8B-2
Description
Valve,check
CAGE
86768

Part 481-1/8B-2 NSN 4820-00-744-1239

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05487
FIIG:
A530B0
Concept No.:
1
App. Key:
Cond. Code:
1
Status:
A

Material Classification

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:
0.2000lbs
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:
050855
UFC:
29290
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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