Model: 21A18

Air Duct Hose

Properties:

Cross Sectional Shape
Round
Wall Thickness
0.031 inches
Inside Diameter
1.000 inches first end
Minimum Inside Bending Radius
1.000 inches
End Application
B-1b acft.
Endlength
1.500 inches first end
Connection Style
Round first end
Connection Type
Soft first end
Features Provided
Abrasion resistant
End Inside Diameter
1.000 inches first end
Maximum Operating Pressure
65.0 pounds per square inch
Measuring Method And Length
7.000 inches
Material
Fiberglass 1st ply and rubber silicone class q 1st ply
Material
Fiberglass 3rd ply and rubber silicone class q 3rd ply
Material
Steel 2nd ply and copper alloy 2nd ply
Style Designator
Fully convoluted w/ wire rings between convolutions
NSN
4720-01-451-9387
Part Number
21A18
Description
Hose,air Duct
CAGE
14711

Part 21A18 NSN 4720-01-451-9387

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
11116
FIIG:
A229A0
Concept No.:
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:
SX
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:
051140
UFC:
52350
LTL:
RATING VARIABLE
LCL:
--
WCC:
736
TCC:
Z
SHC:
9
ACC:
Equipment for Aircraft

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