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National Stock Number:
9540-01-558-7799
Federal Supply Class:
9540
National Item Identification Number:
015587799
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:
| LS31091-1 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| BASIC SHAPE STYLE | I SHAPE | | BOTTOM FLANGE WIDTH | 2.000 INCHES NOMINAL | | FOURTH TIP RELATIONSHIP TO PRECEDING TIPS | NOT IDENTICAL | | FOURTH TIP STYLE | UPPER RADIUS | | HEAT TREATMENT | TEMPERED | | LEFT SIDE BOTTOM FLANGE THICKNESS | 0.125 INCHES NOMINAL | | LEFT SIDE TOP FLANGE THICKNESS | 0.125 INCHES NOMINAL | | OVERALL HEIGHT | 1.500 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY 7075 | | RIGHT SIDE BOTTOM FLANGE THICKNESS | 0.125 INCHES NOMINAL | | RIGHT SIDE TOP FLANGE THICKNESS | 0.125 INCHES NOMINAL | | SECOND TIP RELATIONSHIP TO FIRST TIP | NOT IDENTICAL | | SECOND TIP STYLE | LOWER RADIUS | | WEB FLANGE THICKNESS | 0.125 INCHES NOMINAL | | THIRD TIP RELATIONSHIP TO PRECEDING TIPS | NOT IDENTICAL | | THIRD TIP STYLE | LEFT QUARTER RADIUS | | TOP FLANGE WIDTH | 2.000 INCHES NOMINAL |
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