9540-01-499-5411, BEAM,STRUCTURAL

National Stock Number:
9540-01-499-5411

Federal Supply Class:
9540

National Item Identification Number:
014995411

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:

LS32711-2

98897

LOCKHEED MARTIN CORP

Techincal Specification:

BASIC SHAPE STYLE	T SHAPE
FABRICATION METHOD	EXTRUDED
FILLET RADIUS WHERE TOP LEFT FLANGE JOINS WEB FLANGE/LEG	0.060 INCHES NOMINAL
FILLET RADIUS WHERE TOP RIGHT FLANGE JOINS WEB FLANGE/LEG	0.060 INCHES NOMINAL
FIRST TIP INNER RADIUS	0.016 INCHES NOMINAL
FIRST TIP OUTER RADIUS	0.016 INCHES NOMINAL
FIRST TIP STYLE	SQUARE W/ INNER AND OUTER CORNER RADII
HEAT TREATMENT	T-76511 SOLUTION HEAT TREATED
LEFT SIDE TOP FLANGE DISTANCE TO CENTER OF BOTH FLANGES	1.500 INCHES NOMINAL
LEFT SIDE TOP FLANGE THICKNESS	0.270 INCHES NOMINAL
LEFT TOP INSIDE ANGLE	90.0 DEGREES NOMINAL
LEG THICKNESS	0.100 INCHES NOMINAL
LENGTH	171.000 INCHES MAXIMUM
MATERIAL	ALUMINUM ALLOY, STM04-118, ALLOY 7055
III PART NAME ASSIGNED BY CONTROLLING AGENCY	"T" SECTION - EXTRUDED
PROPRIETARY CHARACTERISTICS	PACS
OVERALL HEIGHT	1.300 INCHES NOMINAL
RIGHT SIDE TOP FLANGE DISTANCE TO CENTER OF BOTH FLANGES	1.500 INCHES NOMINAL
RIGHT SIDE TOP FLANGE THICKNESS	0.270 INCHES NOMINAL
RIGHT TOP INSIDE ANGLE	90.0 DEGREES NOMINAL
SECOND TIP RELATIONSHIP TO FIRST TIP	IDENTICAL
SPECIAL FEATURES	THE C-5 REQUIRES 57 FT/AC; MAXIMUM LENGTH IS 171.000 INCH
THIRD TIP RELATIONSHIP TO PRECEDING TIPS	IDENTICAL W/FIRST TIP
TOP FLANGE WIDTH	3.000 INCHES NOMINAL

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