9540-01-230-0478 BEAM,STRUCTURAL Index 5999-01-230-0481 CONTACT,ELECTRICAL

National Stock Number:
9540-01-230-0479

Federal Supply Class:
9540

National Item Identification Number:
012300479

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:
2081727610INTERNATIONAL LIGHT METALS CORP SUB OF MARTIN MARIETTA CORP
NAS344-6180205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
BASIC SHAPE STYLET SHAPE
FABRICATION METHODEXTRUDED
FILLET RADIUS WHERE TOP LEFT FLANGE JOINS WEB FLANGE/LEG0.125 INCHES NOMINAL
FILLET RADIUS WHERE TOP RIGHT FLANGE JOINS WEB FLANGE/LEG0.125 INCHES NOMINAL
FIRST TIP STYLEFULL RADIUS
FIRST TIP RADIUS0.188 INCHES NOMINAL
LEFT SIDE TOP FLANGE DISTANCE TO CENTER OF BOTH FLANGES1.125 INCHES NOMINAL
LEFT SIDE TOP FLANGE THICKNESS0.188 INCHES NOMINAL
LEFT TOP INSIDE ANGLE90.0 DEGREES NOMINAL
LEG THICKNESS0.188 INCHES NOMINAL
LENGTH7.874 FEET NOMINAL
OVERALL HEIGHT1.875 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-A-12545 MIL SPEC SINGLE MATERIAL RESPONSE
MATERIALALUMINUM ALLOY 7075
RIGHT SIDE TOP FLANGE DISTANCE TO CENTER OF BOTH FLANGES1.125 INCHES NOMINAL
RIGHT SIDE TOP FLANGE THICKNESS0.188 INCHES NOMINAL
RIGHT TOP INSIDE ANGLE90.0 DEGREES NOMINAL
SECOND TIP RADIUS0.188 INCHES NOMINAL
SECOND TIP RELATIONSHIP TO FIRST TIPNOT IDENTICAL
SECOND TIP STYLELOWER RADIUS
WEIGHT PER UNIT MEASURE0.874 POUNDS PER LINEAR FOOT
THIRD TIP RELATIONSHIP TO PRECEDING TIPSIDENTICAL W/SECOND TIP
TOP FLANGE WIDTH2.250 INCHES NOMINAL


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