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National Stock Number:
9540-01-430-2779
Federal Supply Class:
9540
National Item Identification Number:
014302779
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:
| CVC10013-1007GA | 80378 | TRIUMPH AEROSTRUCTURES, LLC | | MIL-T-81556 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| FABRICATION METHOD | EXTRUDED | | FILLET RADIUS WHERE TOP LEFT FLANGE JOINS WEB FLANGE/LEG | 0.190 INCHES NOMINAL | | FILLET RADIUS WHERE TOP RIGHT FLANGE JOINS WEB FLANGE/LEG | 0.190 INCHES NOMINAL | | FIRST TIP INNER RADIUS | 0.060 INCHES NOMINAL | | FIRST TIP OUTER RADIUS | 0.060 INCHES NOMINAL | | FIRST TIP STYLE | SQUARE W/ INNER AND OUTER CORNER RADII | | HEAT TREATMENT | ANNEALED | | LEFT TOP INSIDE ANGLE | 40.0 DEGREES NOMINAL | | LEG THICKNESS | 0.610 INCHES NOMINAL | | LENGTH | 12.000 FEET NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-T-81556, COMP AB-1 MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | TITANIUM ALLOY | | NONDEFINITIVE SPEC/STD DATA | AB-1 COMPOSITION AND A CONDITION | | RIGHT TOP INSIDE ANGLE | 140.0 DEGREES NOMINAL | | SECOND TIP RELATIONSHIP TO FIRST TIP | IDENTICAL | | THIRD TIP RELATIONSHIP TO PRECEDING TIPS | IDENTICAL W/FIRST TIP |
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