9540-01-499-9276, BEAM,STRUCTURAL

National Stock Number:
9540-01-499-9276

Federal Supply Class:
9540

National Item Identification Number:
014999276

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:

LS60404-1

98897

LOCKHEED MARTIN CORP

Techincal Specification:

LEFT SIDE BOTTOM FLANGE DISTANCE TO CENTER OF BOTH FLANGES	1.790 INCHES NOMINAL
LEFT SIDE BOTTOM FLANGE THICKNESS	0.230 INCHES NOMINAL
LEFT SIDE TOP FLANGE DISTANCE TO CENTER OF BOTH FLANGES	0.960 INCHES NOMINAL
LEFT SIDE TOP FLANGE THICKNESS	0.138 INCHES NOMINAL
LEFT TOP INSIDE ANGLE	90.0 DEGREES NOMINAL
LENGTH	186.000 INCHES MAXIMUM
MATERIAL	ALUMINUM ALLOY, 7055-T76511, STM04-118
III PART NAME ASSIGNED BY CONTROLLING AGENCY	"I" SECTION - EXTRUDED
PROPRIETARY CHARACTERISTICS	PACS
OVERALL HEIGHT	4.000 INCHES NOMINAL
RIGHT BOTTOM INSIDE ANGLE	90.0 DEGREES NOMINAL
RIGHT SIDE BOTTOM FLANGE DISTANCE TO CENTER OF BOTH FLANGES	1.790 INCHES NOMINAL
RIGHT SIDE BOTTOM FLANGE THICKNESS	0.230 INCHES NOMINAL
RIGHT SIDE TOP FLANGE DISTANCE TO CENTER OF BOTH FLANGES	0.960 INCHES NOMINAL
RIGHT SIDE TOP FLANGE THICKNESS	0.138 INCHES NOMINAL
RIGHT TOP INSIDE ANGLE	90.0 DEGREES NOMINAL
SECOND TIP RELATIONSHIP TO FIRST TIP	IDENTICAL
SPECIAL FEATURES	THE C-5 REQUIRES 114 FT/AC. MAX LENGTH IS 186 INCHES
WEB FLANGE THICKNESS	0.080 INCHES NOMINAL
THIRD TIP RELATIONSHIP TO PRECEDING TIPS	IDENTICAL W/FIRST TIP
TOP FLANGE WIDTH	2.000 INCHES NOMINAL
BASIC SHAPE STYLE	I SHAPE
BOTTOM FLANGE WIDTH	3.660 INCHES NOMINAL
FABRICATION METHOD	EXTRUDED
FILLET RADIUS WHERE BOTTOM LEFT FLANGE JOINS WEB FLANGE/LEG	0.063 INCHES NOMINAL
FILLET RADIUS WHERE BOTTOM RIGHT FLANGE JOINS WEB FLANGE/LEG	0.063 INCHES NOMINAL
FILLET RADIUS WHERE TOP LEFT FLANGE JOINS WEB FLANGE/LEG	0.063 INCHES NOMINAL
FILLET RADIUS WHERE TOP RIGHT FLANGE JOINS WEB FLANGE/LEG	0.063 INCHES NOMINAL
FIRST TIP INNER RADIUS	0.032 INCHES MAXIMUM
FIRST TIP OUTER RADIUS	0.032 INCHES MAXIMUM
FIRST TIP STYLE	SQUARE W/ INNER AND OUTER CORNER RADII
FOURTH TIP RELATIONSHIP TO PRECEDING TIPS	IDENTICAL W/FIRST TIP
HEAT TREATMENT	T-76511 SOLUTION HEAT TREATED
LEFT BOTTOM INSIDE ANGLE	90.0 DEGREES NOMINAL

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