Model: 20521

Metallic Tube

Properties:

Cross Sectional Shape
Square/rectangular
Wall Thickness
0.250 inches
First End Style
Plain
Width
4.000 inches
Second End Relationship With First End
Identical
Construction
Seamless
Measuring Method And Length
144.000 inches specific
Height
4.000 inches
Material
Aluminum alloy
NSN
4710-01-176-0891
Part Number
20521
Description
Tube,metallic
CAGE
81755

A straight, hollow product, welded or seamless, of round, square, or any other cross section and continuous periphery, which does not conform in cross sectional dimensions to recognized pipe standards, or those in tables 1 through 10, appendix c, fiig a004a. It is designed to convey fluids, gasses, and/or semisolids. It may be rolled into coils for ease in handling. For items designed to join a tube or tube fitting to another tube, pipe, or hose or fitting, see adapter (as modified); coupling (as modified); or nipple (as modified). Excludes tube, bent (as modified); pipe, metallic; spacer, sleeve; metal bar (hollow); and items with fittings, except end protectors.

Part 20521 NSN 4710-01-176-0891

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
31979
FIIG:
A004A0
Concept No.:
App. Key:
B
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:
50.0000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
A
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051820
UFC:
29920
LTL:
85.0
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7608200030
  • SITC: 68426
  • End Use: Finished metal shapes
  • NAICS: 331318
  • USDA: 1

Freight Class: Tubes and pipes, aluminum alloy, seamless

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