Model: 491-4

Tube To Hose Straight Adapter

Properties:

Thread Class
3b 1st end
Maximum Operating Temp
121.0 degrees celsius single response
Connection Style
Plain (pipe) 2nd end
Connection Style
Swivel nut, flare (tube) style 3 optional end 1st end
Connection Type
Threaded internal tube 1st end
Connection Type
Unthreaded internal hose 2nd end
Thread Size
0.438 inches 2nd end
Thread Size
0.438 inches 1st end
Seat Angle
37.0 degrees 1st end
Inside Diameter Hose Accommodated
0.188 inches 2nd end
Outside Diameter Tube Accommodated
0.250 inches 1st end
Nominallength
1.860 inches
Material
Aluminum socket
Material
Steel nipple
Material
Steel nut
Media For Which Designed
Aeronautical fluid single response
Surface Treatment
Anodize socket
Surface Treatment
Cadmium nipple
Surface Treatment
Cadmium nut
Thread Series Designator
Unf 1st end
Thread Series Designator
Unf 2nd end
NSN
4730-00-433-2657
Part Number
491-4
Description
Adapter,straight,tube To Hose
CAGE
00624

Part 491-4 NSN 4730-00-433-2657

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
03777
FIIG:
A080B0
Concept No.:
1
App. Key:
A
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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
016840
UFC:
07650
LTL:
RATING VARIABLE
LCL:
100.0
WCC:
729
TCC:
Z
SHC:
9
ACC:
Office Supplies

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