9540-00-251-1776, BEAM,STRUCTURAL

5905-00-251-1777 RESISTOR,FIXED,COMPOSITION

National Stock Number:
9540-00-251-1776

Federal Supply Class:
9540

National Item Identification Number:
002511776

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:

4E28	43999	THE BOEING COMPANY
DIE30024	01634	ALUMINUM CO OF AMERICA
QQA267	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC

Techincal Specification:

BASIC SHAPE STYLE	T SHAPE
FABRICATION METHOD	EXTRUDED
FILLET RADIUS WHERE TOP LEFT FLANGE JOINS WEB FLANGE/LEG	0.062 INCHES NOMINAL
FILLET RADIUS WHERE TOP RIGHT FLANGE JOINS WEB FLANGE/LEG	0.062 INCHES NOMINAL
FIRST TIP RADIUS	0.062 INCHES NOMINAL
FIRST TIP STYLE	LOWER RADIUS
HEAT TREATMENT	T-4 SOLUTION HEAT TREATED AND NATURAL AGED
LEFT SIDE TOP FLANGE DISTANCE TO CENTER OF BOTH FLANGES	0.625 INCHES NOMINAL
LEFT SIDE TOP FLANGE THICKNESS	0.094 INCHES NOMINAL
LEFT SIDE TOP FLANGE TIP THICKNESS	0.077 INCHES NOMINAL
LEFT TOP INNER FACE TO OUTER FACE ANGLE	90.0 DEGREES NOMINAL
LEG THICKNESS	0.078 INCHES NOMINAL
LENGTH	10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-200/3 FED SPEC 1ST MATERIAL RESPONSE
MATERIAL	ALUMINUM ALLOY 2024
NONDEFINITIVE SPEC/STD DATA	4 TEMPER
OVERALL HEIGHT	1.000 INCHES NOMINAL
RIGHT SIDE TOP FLANGE TIP THICKNESS	0.077 INCHES NOMINAL
RIGHT TOP INNER FACE TO OUTER FACE ANGLE	90.0 DEGREES NOMINAL
RIGHT SIDE TOP FLANGE DISTANCE TO CENTER OF BOTH FLANGES	0.625 INCHES NOMINAL
RIGHT SIDE TOP FLANGE THICKNESS	0.094 INCHES NOMINAL
SECOND TIP RELATIONSHIP TO FIRST TIP	IDENTICAL
THIRD TIP DIAMETER	0.250 INCHES NOMINAL
THIRD TIP RADIUS	0.125 INCHES NOMINAL
THIRD TIP RELATIONSHIP TO PRECEDING TIPS	NOT IDENTICAL
THIRD TIP STYLE	LEFT BULBOUS
TOP FLANGE WIDTH	1.250 INCHES NOMINAL
WEIGHT PER UNIT MEASURE	0.256 POUNDS PER LINEAR FOOT

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