9540-00-288-0454, BEAM,STRUCTURAL

National Stock Number:
9540-00-288-0454

Federal Supply Class:
9540

National Item Identification Number:
002880454

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:

26097	77783	ALCOA/REYNOLDS METALS COMPANY
29003	01634	ALUMINUM CO OF AMERICA
PA11015	06012	TRANSTAR METALS CORP
AMS-QQ-A-200/3	0U583	SAE INTERNATIONAL
60-5711	29321	TRANSTAR METALS CORP
AMS-QQ-A-200/3	81343	SOCIETY OF AUTOMOTIVE ENGINEERS INC
QQ-A-200/3	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC

Techincal Specification:

BASIC SHAPE STYLE	I SHAPE
BOTTOM FLANGE WIDTH	1.750 INCHES NOMINAL
FABRICATION METHOD	EXTRUDED
FILLET RADIUS WHERE BOTTOM LEFT FLANGE JOINS WEB FLANGE/LEG	0.125 INCHES NOMINAL
FILLET RADIUS WHERE BOTTOM RIGHT FLANGE JOINS WEB FLANGE/LEG	0.125 INCHES NOMINAL
FILLET RADIUS WHERE TOP LEFT FLANGE JOINS WEB FLANGE/LEG	0.125 INCHES NOMINAL
FILLET RADIUS WHERE TOP RIGHT FLANGE JOINS WEB FLANGE/LEG	0.125 INCHES NOMINAL
FIRST TIP DIAMETER	0.188 INCHES NOMINAL
FIRST TIP RADIUS	0.062 INCHES NOMINAL
FIRST TIP STYLE	LOWER BULBOUS
FOURTH TIP RELATIONSHIP TO PRECEDING TIPS	IDENTICAL W/THIRD TIP
HEAT TREATMENT	T-3511 SOLUTION HEAT TREATED
LEFT BOTTOM INSIDE ANGLE	90.0 DEGREES NOMINAL
LEFT SIDE BOTTOM FLANGE DISTANCE TO CENTER OF BOTH FLANGES	0.875 INCHES NOMINAL
LEFT SIDE BOTTOM FLANGE THICKNESS	0.078 INCHES NOMINAL
LEFT SIDE TOP FLANGE DISTANCE TO CENTER OF BOTH FLANGES	0.875 INCHES NOMINAL
LEFT SIDE TOP FLANGE THICKNESS	0.078 INCHES NOMINAL
LEFT TOP INSIDE ANGLE	90.0 DEGREES NOMINAL
LENGTH	10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM
OVERALL HEIGHT	3.750 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-200/3 FED SPEC 1ST MATERIAL RESPONSE
MATERIAL	ALUMINUM ALLOY 2024
NONDEFINITIVE SPEC/STD DATA	T3511 TEMPER
RIGHT SIDE BOTTOM FLANGE DISTANCE TO CENTER OF BOTH FLANGES	0.875 INCHES NOMINAL
RIGHT SIDE BOTTOM FLANGE THICKNESS	0.078 INCHES NOMINAL
RIGHT SIDE TOP FLANGE DISTANCE TO CENTER OF BOTH FLANGES	0.875 INCHES NOMINAL
RIGHT SIDE TOP FLANGE THICKNESS	0.078 INCHES NOMINAL
RIGHT TOP INSIDE ANGLE	90.0 DEGREES NOMINAL
RIGHT BOTTOM INSIDE ANGLE	90.0 DEGREES NOMINAL
SECOND TIP RELATIONSHIP TO FIRST TIP	IDENTICAL
WEB FLANGE THICKNESS	0.078 INCHES NOMINAL
WEIGHT PER UNIT MEASURE	0.755 POUNDS PER LINEAR FOOT
THIRD TIP DIAMETER	0.188 INCHES NOMINAL
THIRD TIP RADIUS	0.062 INCHES NOMINAL
THIRD TIP STYLE	UPPER BULBOUS
THIRD TIP RELATIONSHIP TO PRECEDING TIPS	NOT IDENTICAL
TOP FLANGE WIDTH	1.750 INCHES NOMINAL

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