9540-00-123-2976, BEAM,STRUCTURAL

National Stock Number:
9540-00-123-2976

Federal Supply Class:
9540

National Item Identification Number:
001232976

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:

18771	77783	ALCOA/REYNOLDS METALS COMPANY
1M617	76301	THE BOEING COMPANY
PA17157	06012	TRANSTAR METALS CORP
AMS-QQ-A-200/13	0U583	SAE INTERNATIONAL
60-6606	29321	TRANSTAR METALS CORP
AMS-QQ-A-200/13	81343	SOCIETY OF AUTOMOTIVE ENGINEERS INC
QQ-A-200/13	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC

Techincal Specification:

BASIC SHAPE STYLE	T SHAPE
FABRICATION METHOD	EXTRUDED
FILLET RADIUS WHERE TOP LEFT FLANGE JOINS WEB FLANGE/LEG	0.125 INCHES NOMINAL
FILLET RADIUS WHERE TOP RIGHT FLANGE JOINS WEB FLANGE/LEG	0.125 INCHES NOMINAL
FIRST TIP RADIUS	0.063 INCHES NOMINAL
FIRST TIP STYLE	LOWER RADIUS
HEAT TREATMENT	O-ANNEALED
LEFT SIDE TOP FLANGE DISTANCE TO CENTER OF BOTH FLANGES	1.105 INCHES NOMINAL
LEFT SIDE TOP FLANGE THICKNESS	0.070 INCHES NOMINAL
LEFT TOP INSIDE ANGLE	90.0 DEGREES NOMINAL
LEG THICKNESS	0.070 INCHES NOMINAL
LENGTH	10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	AMS-Q-A-200/13 FED SPEC SINGLE MATERIAL RESPONSE
MATERIAL	ALUMINUM ALLOY 7178
NONDEFINITIVE SPEC/STD DATA	7178 ALLOY AND O TEMPER
OVERALL HEIGHT	1.300 INCHES NOMINAL
RIGHT TOP INSIDE ANGLE	90.0 DEGREES NOMINAL
RIGHT SIDE TOP FLANGE DISTANCE TO CENTER OF BOTH FLANGES	1.165 INCHES NOMINAL
RIGHT SIDE TOP FLANGE THICKNESS	0.070 INCHES NOMINAL
SECOND TIP RELATIONSHIP TO FIRST TIP	IDENTICAL
THIRD TIP DIAMETER	0.240 INCHES NOMINAL
THIRD TIP STYLE	LEFT BULBOUS
THIRD TIP RADIUS	0.120 INCHES NOMINAL
THIRD TIP RELATIONSHIP TO PRECEDING TIPS	NOT IDENTICAL
TOP FLANGE WIDTH	2.270 INCHES NOMINAL
WEIGHT PER UNIT MEASURE	0.340 POUNDS PER LINEAR FOOT

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