Model: 63551-20A

Tube Coupling Nut Assembly

Special Features:

Furnished with two washers

Properties:

Thread Class
2b
Thread Direction
Right-hand
Overall Length
0.629 inches
Outside Diameter
Between 2.000 inches and 2.032 inches
Thread Size
1-7/8-12
Tube Outside Diameter For Which Designed
1.250 inches
Screw Thread Series Designator
Un
Working Pressure And Service Type
125.0 pounds per square inch jet fuel
Working Tempurature And Service Type
65.0 degrees fahrenheit jet fuel and 160.0 degrees fahrenheit jet fuel
Material
Aluminum alloy
Material
Aluminum alloy
Surface Treatment
Anodize
Style Designator
Nut assembly
Surface Treatment
Anodized, mil-a-8625, type 2
NSN
4730-00-893-6607
Part Number
63551-20A
Description
Nut Assembly,tube Coupling
CAGE

Part 63551-20A NSN 4730-00-893-6607

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
32836
FIIG:
T385-V
Concept No.:
App. Key:
VC
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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051400
UFC:
29700
LTL:
77.5
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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