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National Stock Number:
9540-00-027-9190
Federal Supply Class:
9540
National Item Identification Number:
000279190
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.
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Manufacturer Information:
| LS4978 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| BASIC SHAPE STYLE | T SHAPE | | FABRICATION METHOD | EXTRUDED | | FILLET RADIUS WHERE TOP LEFT FLANGE JOINS WEB FLANGE/LEG | 0.940 INCHES NOMINAL | | FILLET RADIUS WHERE TOP RIGHT FLANGE JOINS WEB FLANGE/LEG | 0.940 INCHES NOMINAL | | FIRST TIP INNER RADIUS | 0.031 INCHES NOMINAL | | FIRST TIP OUTER RADIUS | 0.031 INCHES NOMINAL | | FIRST TIP STYLE | SQUARE W/ INNER AND OUTER CORNER RADII | | LEFT TOP INSIDE ANGLE | 90.0 DEGREES NOMINAL | | LEFT SIDE TOP FLANGE DISTANCE TO CENTER OF BOTH FLANGES | 0.950 INCHES NOMINAL | | LEFT SIDE TOP FLANGE THICKNESS | 0.078 INCHES NOMINAL | | LEG THICKNESS | 0.078 INCHES NOMINAL | | LENGTH | 0.396 FEET NOMINAL | | OVERALL HEIGHT | 4.750 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY | | RIGHT SIDE TOP FLANGE DISTANCE TO CENTER OF BOTH FLANGES | 0.950 INCHES NOMINAL | | RIGHT SIDE TOP FLANGE THICKNESS | 0.078 INCHES NOMINAL | | RIGHT TOP INSIDE ANGLE | 90.0 DEGREES NOMINAL | | SECOND TIP RELATIONSHIP TO FIRST TIP | IDENTICAL | | WEIGHT PER UNIT MEASURE | 0.0015 POUNDS PER LINEAR FOOT | | THIRD TIP RELATIONSHIP TO PRECEDING TIPS | IDENTICAL W/FIRST TIP | | TOP FLANGE WIDTH | 1.900 INCHES NOMINAL |
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