NSN 9540-00-542-2749

Part Details | STRUCTURAL BEAM

9540-00-542-2749 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.

Alternate Parts: 2654C, 851F, QQA2005, QQ-A-200/5, AMSQQA2005, AMS-QQ-A-200/5, 9540-00-542-2749, 00-542-2749, 9540005422749, 005422749

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
95JAN 01, 196300-542-274937018 ( BEAM, STRUCTURAL )
REFERENCE DRAWINGS & PICTURES

I SHAPE

UPPER RADIUS

LOWER RADIUS

UPPER RADIUS

LOWER RADIUS

UPPER RADIUS

LOWER RADIUS

UPPER RADIUS

LOWER RADIUS

Cross Reference | NSN 9540-00-542-2749
Part Number Cage Code Manufacturer
2654C77783ALCOA/REYNOLDS METALS COMPANY
851F01634ALUMINUM CO OF AMERICA
QQ-A-200/581348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
AMS-QQ-A-200/581343SOCIETY OF AUTOMOTIVE ENGINEERS INC
Technical Data | NSN 9540-00-542-2749
Characteristic Specifications
FABRICATION METHOD EXTRUDED
HEAT TREATMENT H-111 STRAIN HARDENED
LENGTH20.000 FEET MINIMUM AND 30.000 FEET MAXIMUM
BASIC SHAPE STYLE I SHAPE
OVERALL HEIGHT4.000 INCHES NOMINAL
LEFT SIDE TOP FLANGE THICKNESS0.375 INCHES NOMINAL
RIGHT SIDE TOP FLANGE THICKNESS0.375 INCHES NOMINAL
RIGHT SIDE BOTTOM FLANGE THICKNESS0.375 INCHES NOMINAL
LEFT SIDE BOTTOM FLANGE THICKNESS0.375 INCHES NOMINAL
LEFT SIDE TOP FLANGE DISTANCE TO CENTER OF BOTH FLANGES1.3985 INCHES NOMINAL
LEFT SIDE BOTTOM FLANGE DISTANCE TO CENTER OF BOTH FLANGES1.3985 INCHES NOMINAL
RIGHT SIDE TOP FLANGE DISTANCE TO CENTER OF BOTH FLANGES1.3985 INCHES NOMINAL
RIGHT SIDE BOTTOM FLANGE DISTANCE TO CENTER OF BOTH FLANGES1.3985 INCHES NOMINAL
FILLET RADIUS WHERE TOP LEFT FLANGE JOINS WEB FLANGE/LEG0.290 INCHES NOMINAL
FILLET RADIUS WHERE BOTTOM LEFT FLANGE JOINS WEB FLANGE/LEG0.290 INCHES NOMINAL
FILLET RADIUS WHERE TOP RIGHT FLANGE JOINS WEB FLANGE/LEG0.290 INCHES NOMINAL
FILLET RADIUS WHERE BOTTOM RIGHT FLANGE JOINS WEB FLANGE/LEG0.290 INCHES NOMINAL
WEB FLANGE THICKNESS0.326 INCHES NOMINAL
TOP FLANGE WIDTH2.797 INCHES NOMINAL
BOTTOM FLANGE WIDTH2.797 INCHES NOMINAL
LEFT SIDE TOP FLANGE TIP THICKNESS0.190 INCHES NOMINAL
LEFT SIDE BOTTOM FLANGE TIP THICKNESS0.190 INCHES NOMINAL
RIGHT SIDE TOP FLANGE TIP THICKNESS0.190 INCHES NOMINAL
RIGHT SIDE BOTTOM FLANGE TIP THICKNESS0.190 INCHES NOMINAL
LEFT TOP INNER FACE TO OUTER FACE ANGLE90.0 DEGREES NOMINAL
LEFT BOTTOM INNER FACE TO OUTER FACE ANGLE90.0 DEGREES NOMINAL
RIGHT TOP INNER FACE TO OUTER FACE ANGLE90.0 DEGREES NOMINAL
RIGHT BOTTOM INNER FACE TO OUTER FACE ANGLE90.0 DEGREES NOMINAL
FIRST TIP STYLE LOWER RADIUS
FIRST TIP RADIUS0.110 INCHES NOMINAL
SECOND TIP RELATIONSHIP TO FIRST TIP IDENTICAL
THIRD TIP RELATIONSHIP TO PRECEDING TIPS NOT IDENTICAL
THIRD TIP STYLE UPPER RADIUS
THIRD TIP RADIUS0.110 INCHES NOMINAL
FOURTH TIP RELATIONSHIP TO PRECEDING TIPS IDENTICAL W/THIRD TIP
WEIGHT PER UNIT MEASURE3.348 POUNDS PER LINEAR FOOT
NONDEFINITIVE SPEC/STD DATAH-111 TEMPER