9540-01-428-2770 BEAM,STRUCTURAL Index 9540-01-428-2772 BEAM,STRUCTURAL

National Stock Number:
9540-01-428-2771

Federal Supply Class:
9540

National Item Identification Number:
014282771

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:
CVC10012-1016GA80378TRIUMPH AEROSTRUCTURES, LLC
MIL-T-8155681349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
BASIC SHAPE STYLET SHAPE
FABRICATION METHODEXTRUDED
FILLET RADIUS WHERE TOP LEFT FLANGE JOINS WEB FLANGE/LEG0.580 INCHES NOMINAL
FILLET RADIUS WHERE TOP RIGHT FLANGE JOINS WEB FLANGE/LEG0.580 INCHES NOMINAL
FIRST TIP INNER RADIUS0.062 INCHES NOMINAL
FIRST TIP OUTER RADIUS0.062 INCHES NOMINAL
FIRST TIP STYLESQUARE W/ INNER AND OUTER CORNER RADII
HEAT TREATMENTANNEALED
LEFT SIDE TOP FLANGE DISTANCE TO CENTER OF BOTH FLANGES1.640 INCHES NOMINAL
LEFT SIDE TOP FLANGE THICKNESS0.830 INCHES NOMINAL
LEFT TOP INSIDE ANGLE84.0 DEGREES NOMINAL
LEG THICKNESS0.370 INCHES NOMINAL
LENGTH12.000 FEET NOMINAL
OVERALL HEIGHT5.200 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-T-81556, COMP AB-1 MIL SPEC SINGLE MATERIAL RESPONSE
MATERIALTITANIUM ALLOY
NONDEFINITIVE SPEC/STD DATAAB-1 COMPOSITION AND A CONDITION
RIGHT SIDE TOP FLANGE DISTANCE TO CENTER OF BOTH FLANGES2.010 INCHES NOMINAL
RIGHT SIDE TOP FLANGE THICKNESS0.830 INCHES NOMINAL
RIGHT TOP INSIDE ANGLE96.0 DEGREES NOMINAL
SECOND TIP RELATIONSHIP TO FIRST TIPIDENTICAL
THIRD TIP RELATIONSHIP TO PRECEDING TIPSIDENTICAL W/FIRST TIP
TOP FLANGE WIDTH3.650 INCHES NOMINAL


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