9520-00-277-5980, BEAM,STRUCTURAL

National Stock Number:
9520-00-277-5980

Federal Supply Class:
9520

National Item Identification Number:
002775980

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:

ABS RULES	0T3K3	AMERICAN BUREAU OF SHIPPING
MIL-S-22698	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

BASIC SHAPE STYLE	T SHAPE
FILLET RADIUS WHERE TOP LEFT FLANGE JOINS WEB FLANGE/LEG	0.250 INCHES NOMINAL
FILLET RADIUS WHERE TOP RIGHT FLANGE JOINS WEB FLANGE/LEG	0.250 INCHES NOMINAL
FIRST TIP STYLE	SQUARE END
HEAT TREATMENT	AS FABRICATED
LEFT SIDE TOP FLANGE DISTANCE TO CENTER OF BOTH FLANGES	2.000 INCHES NOMINAL
LEFT SIDE TOP FLANGE THICKNESS	0.312 INCHES NOMINAL
LEFT SIDE TOP FLANGE TIP THICKNESS	0.250 INCHES NOMINAL
LEFT TOP INNER FACE TO OUTER FACE ANGLE	90.0 DEGREES NOMINAL
LEG THICKNESS	0.230 INCHES NOMINAL
LENGTH	20.000 FEET MINIMUM AND 30.000 FEET MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-22698, GRADE A MIL SPEC SINGLE MATERIAL RESPONSE
MATERIAL	STEEL UNS K02102
NONDEFINITIVE SPEC/STD DATA	A GRADE
OVERALL HEIGHT	6.000 INCHES NOMINAL
RIGHT SIDE TOP FLANGE DISTANCE TO CENTER OF BOTH FLANGES	2.000 INCHES NOMINAL
RIGHT SIDE TOP FLANGE THICKNESS	0.312 INCHES NOMINAL
RIGHT SIDE TOP FLANGE TIP THICKNESS	0.250 INCHES NOMINAL
RIGHT TOP INNER FACE TO OUTER FACE ANGLE	90.0 DEGREES NOMINAL
SECOND TIP RELATIONSHIP TO FIRST TIP	IDENTICAL
THIRD TIP RELATIONSHIP TO PRECEDING TIPS	IDENTICAL W/FIRST TIP
TOP FLANGE WIDTH	4.000 INCHES NOMINAL
WEIGHT PER UNIT MEASURE	8.250 POUNDS PER LINEAR FOOT

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