9540-01-495-9944, BEAM,STRUCTURAL

National Stock Number:
9540-01-495-9944

Federal Supply Class:
9540

National Item Identification Number:
014959944

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:

1MA140D06-10036

76301

THE BOEING COMPANY

Techincal Specification:

BASIC SHAPE STYLE	I SHAPE
BOTTOM FLANGE WIDTH	4.400 INCHES NOMINAL
FABRICATION METHOD	EXTRUDED
FIRST TIP STYLE	SQUARE END
FOURTH TIP RELATIONSHIP TO PRECEDING TIPS	IDENTICAL W/FIRST TIP
HEAT TREATMENT	T-76511 SOLUTION HEAT TREATED
LEFT BOTTOM INSIDE ANGLE	90.0 DEGREES NOMINAL
LEFT TOP INSIDE ANGLE	90.0 DEGREES NOMINAL
LENGTH	10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-200/11 FED SPEC 1ST MATERIAL RESPONSE
MATERIAL	ALUMINUM ALLOY 7075
NONDEFINITIVE SPEC/STD DATA	7075 ALLOY AND T76511 TEMPER
OVERALL HEIGHT	1.865 INCHES NOMINAL
SPECIAL FEATURES	ANGLE ENDS ARE RADIUS PER DATA PROVIDED
RIGHT BOTTOM INSIDE ANGLE	90.0 DEGREES NOMINAL
RIGHT TOP INSIDE ANGLE	90.0 DEGREES NOMINAL
SECOND TIP RELATIONSHIP TO FIRST TIP	IDENTICAL
SECOND TIP STYLE	SQUARE END
SUPPLEMENTARY FEATURES	MATL THICK AT 0.100 INCH
THIRD TIP RELATIONSHIP TO PRECEDING TIPS	IDENTICAL W/FIRST TIP
TOP FLANGE WIDTH	3.800 INCHES NOMINAL
WEIGHT PER UNIT MEASURE	0.991 POUNDS PER LINEAR FOOT

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