9540-01-438-8918, BEAM,STRUCTURAL

National Stock Number:
9540-01-438-8918

Federal Supply Class:
9540

National Item Identification Number:
014388918

Description:
BEAM,STRUCTURAL

Detail:
A STRUCTURAL SHAPE FABRICATED FROM A FERROUS OR NONFERROUS MATERIAL AND RESEMBLES THE FOLLOWING CROSS-SECTIONAL FORMS: FOR THE LETTER H, BOTH FLANGES OF THE H SECTION ARE EQUAL OR LONGER THAN THE WIDTH MEASURED ALONG THE AXIS OF THE WEB; FOR THE LETTER I, A 16 2/3 PERCENT SLOPE ON THE INSIDE FACE OF THE FERROUS TYPE FLANGE, EITHER ONE OR BOTH OF THE NONFERROUS TYPE FLANGES ARE SHORTER THAN THE LENGTH MEASURED ALONG THE AXIS OF THE WEB; FOR THE LETTERS T AND Z, ON NONFERROUS TYPE, THE WEB IS USUALLY AT RIGHT ANGLES TO THE FLANGES. LETTER H SECTION MAY HAVE A MAXIMUM OF 5 PERCENT SLOPE ON THE INSIDE FACE OF THE FLANGES.

Manufacturer Information:

CVC10011-1009GA	80378	TRIUMPH AEROSTRUCTURES, LLC
MIL-T-81556	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

BASIC SHAPE STYLE	T SHAPE
FABRICATION METHOD	EXTRUDED
FILLET RADIUS WHERE TOP LEFT FLANGE JOINS WEB FLANGE/LEG	0.190 INCHES NOMINAL
FILLET RADIUS WHERE TOP RIGHT FLANGE JOINS WEB FLANGE/LEG	0.190 INCHES NOMINAL
FIRST TIP OUTER RADIUS	0.062 INCHES NOMINAL
FIRST TIP INNER RADIUS	0.062 INCHES NOMINAL
FIRST TIP STYLE	SQUARE W/ INNER AND OUTER CORNER RADII
HEAT TREATMENT	ANNEALED
LEFT TOP INSIDE ANGLE	90.0 DEGREES NOMINAL
LEFT SIDE TOP FLANGE DISTANCE TO CENTER OF BOTH FLANGES	1.620 INCHES NOMINAL
LEFT SIDE TOP FLANGE THICKNESS	1.060 INCHES NOMINAL
LEG THICKNESS	0.400 INCHES NOMINAL
LENGTH	12.000 FEET NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-T-81556, COMP AB-1 MIL SPEC SINGLE MATERIAL RESPONSE
MATERIAL	TITANIUM ALLOY
NONDEFINITIVE SPEC/STD DATA	AB-1 COMPOSITION AND ANNEALED CONDITION
OVERALL HEIGHT	4.420 INCHES NOMINAL
RIGHT SIDE TOP FLANGE DISTANCE TO CENTER OF BOTH FLANGES	1.920 INCHES NOMINAL
RIGHT SIDE TOP FLANGE THICKNESS	1.060 INCHES NOMINAL
RIGHT TOP INSIDE ANGLE	90.0 DEGREES NOMINAL
SECOND TIP RELATIONSHIP TO FIRST TIP	IDENTICAL
THIRD TIP RELATIONSHIP TO PRECEDING TIPS	IDENTICAL W/FIRST TIP
TOP FLANGE WIDTH	3.540 INCHES NOMINAL

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