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National Stock Number:
9520-00-278-0944
Federal Supply Class:
9520
National Item Identification Number:
002780944
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.
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Manufacturer Information:
| MILS20166 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| BASIC SHAPE STYLE | T SHAPE | | HEAT TREATMENT | AS FABRICATED | | LENGTH | 20.000 FEET MINIMUM AND 30.000 FEET MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-20166, GRADE M MIL SPEC 1ST MATERIAL RESPONSE | | MATERIAL | STEEL COMP 1022 | | NONDEFINITIVE SPEC/STD DATA | B TYPE AND M GRADE | | OVERALL HEIGHT | 4.000 INCHES NOMINAL | | SURFACE TREATMENT | ZINC | | TOP FLANGE WIDTH | 2.250 INCHES NOMINAL | | WEIGHT PER UNIT MEASURE | 3.250 POUNDS PER LINEAR FOOT |
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