Model: MIL-T-81556

Structural Channel

Properties:

Fabrication Method
Extruded
Overall Width
1.877 inches
Length
Between 10.000 feet and 12.000 feet
Left Side Flange Height
1.438 inches
Right Side Flange Height
1.438 inches
Left Side Flange Thickness
0.423 inches
Right Side Flange Thickness
0.423 inches
Basic Shape Style
Channel
Fillet Radius Where Left Flange Joins Base Flange
0.312 inches
Outer Radius Where Left Flange Joins Base Flange
0.093 inches
Base Flange Thickness
0.375 inches
Outer Radius Where Right Flange Joins Base Flange
0.093 inches
Fillet Radius Where Right Flange Joins Base Flange
0.312 inches
First Tip Style
Square w/ inner and outer corner radii
First Tip Inner Radius
0.093 inches
First Tip Outer Radius
0.093 inches
Second Tip Relationship To First Tip
Identical
Left Inside Angle
90.0 degrees
Right Inside Angle
90.0 degrees
Heat Treatment
Annealed
Material
Titanium alloy
Material
Titanium alloy
Nondefinitive Specification/std Data
3 type and a composition or ab-1 code or 6al-4v composition
NSN
9540-01-333-1470
Part Number
MIL-T-81556
Description
Channel,structural
CAGE
81349

A structural shape fabricated from a ferrous or nonferrous material and has a flange extending usually at right angles in the same direction from each edge of a web and/or resembling the letter u in cross-sectional form.

Part MIL-T-81556 NSN 9540-01-333-1470

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
37019
FIIG:
A13100
Concept No.:
App. Key:
AD
Cond. Code:
2
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:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
ZZ
LVL_A:
Z
LVL_B:

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
104850
UFC:
54000
LTL:
50.0
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7601209500
  • SITC: 68412
  • End Use: Aluminum and alumina
  • NAICS: 331313
  • USDA: 1

Freight Class: Other unwrought aluminum alloys, nesoi

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