9540-00-542-2749, BEAM,STRUCTURAL

National Stock Number:
9540-00-542-2749

Federal Supply Class:
9540

National Item Identification Number:
005422749

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:

2654C	77783	ALCOA/REYNOLDS METALS COMPANY
851F	01634	ALUMINUM CO OF AMERICA
AMS-QQ-A-200/5	0U583	SAE INTERNATIONAL
AMS-QQ-A-200/5	81343	SOCIETY OF AUTOMOTIVE ENGINEERS INC
QQ-A-200/5	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC

Techincal Specification:

BASIC SHAPE STYLE	I SHAPE
BOTTOM FLANGE WIDTH	2.797 INCHES NOMINAL
FABRICATION METHOD	EXTRUDED
FILLET RADIUS WHERE BOTTOM LEFT FLANGE JOINS WEB FLANGE/LEG	0.290 INCHES NOMINAL
FILLET RADIUS WHERE BOTTOM RIGHT FLANGE JOINS WEB FLANGE/LEG	0.290 INCHES NOMINAL
FILLET RADIUS WHERE TOP LEFT FLANGE JOINS WEB FLANGE/LEG	0.290 INCHES NOMINAL
FILLET RADIUS WHERE TOP RIGHT FLANGE JOINS WEB FLANGE/LEG	0.290 INCHES NOMINAL
FIRST TIP RADIUS	0.110 INCHES NOMINAL
FIRST TIP STYLE	LOWER RADIUS
FOURTH TIP RELATIONSHIP TO PRECEDING TIPS	IDENTICAL W/THIRD TIP
HEAT TREATMENT	H-111 STRAIN HARDENED
LEFT BOTTOM INNER FACE TO OUTER FACE ANGLE	90.0 DEGREES NOMINAL
LEFT SIDE BOTTOM FLANGE DISTANCE TO CENTER OF BOTH FLANGES	1.3985 INCHES NOMINAL
LEFT SIDE BOTTOM FLANGE THICKNESS	0.375 INCHES NOMINAL
LEFT SIDE BOTTOM FLANGE TIP THICKNESS	0.190 INCHES NOMINAL
LEFT SIDE TOP FLANGE DISTANCE TO CENTER OF BOTH FLANGES	1.3985 INCHES NOMINAL
LEFT SIDE TOP FLANGE THICKNESS	0.375 INCHES NOMINAL
LEFT SIDE TOP FLANGE TIP THICKNESS	0.190 INCHES NOMINAL
LEFT TOP INNER FACE TO OUTER FACE ANGLE	90.0 DEGREES NOMINAL
LENGTH	20.000 FEET MINIMUM AND 30.000 FEET MAXIMUM
OVERALL HEIGHT	4.000 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS-QQ-A-200/5 FED SPEC SINGLE MATERIAL RESPONSE
MATERIAL	ALUMINUM ALLOY 5086
NONDEFINITIVE SPEC/STD DATA	H-111 TEMPER
RIGHT BOTTOM INNER FACE TO OUTER FACE ANGLE	90.0 DEGREES NOMINAL
RIGHT SIDE BOTTOM FLANGE DISTANCE TO CENTER OF BOTH FLANGES	1.3985 INCHES NOMINAL
RIGHT SIDE BOTTOM FLANGE TIP THICKNESS	0.190 INCHES NOMINAL
RIGHT SIDE BOTTOM FLANGE THICKNESS	0.375 INCHES NOMINAL
RIGHT SIDE TOP FLANGE DISTANCE TO CENTER OF BOTH FLANGES	1.3985 INCHES NOMINAL
RIGHT SIDE TOP FLANGE THICKNESS	0.375 INCHES NOMINAL
RIGHT SIDE TOP FLANGE TIP THICKNESS	0.190 INCHES NOMINAL
RIGHT TOP INNER FACE TO OUTER FACE ANGLE	90.0 DEGREES NOMINAL
SECOND TIP RELATIONSHIP TO FIRST TIP	IDENTICAL
WEB FLANGE THICKNESS	0.326 INCHES NOMINAL
WEIGHT PER UNIT MEASURE	3.348 POUNDS PER LINEAR FOOT
THIRD TIP RADIUS	0.110 INCHES NOMINAL
THIRD TIP RELATIONSHIP TO PRECEDING TIPS	NOT IDENTICAL
THIRD TIP STYLE	UPPER RADIUS
TOP FLANGE WIDTH	2.797 INCHES NOMINAL

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