Model: 63551-56A

Tube Coupling Nut Assembly

Special Features:

Furnished with two washers

Properties:

Thread Class
2b
Thread Direction
Right-hand
Overall Length
0.701 inches
Outside Diameter
4.427 inches
Thread Size
4.250-12
Tube Outside Diameter For Which Designed
3.500 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
NSN
4730-01-028-7976
Part Number
63551-56A
Description
Nut Assembly,tube Coupling
CAGE
79326

Part 63551-56A NSN 4730-01-028-7976

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

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:
M
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

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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