| Item Name | Beam Structural |
| INC Code | 37018 |
| Federal Supply Group (FSG) | Metal Bars Sheets and Shapes |
| Federal Supply Class (FSC) | 9540 Structural Shapes Nonferrous Metal |
| National Item Identification Number (NIIN) | 00-951-4866 (009514866) |
| NCB Code | USA (00) |
| Manufacturer | Alcoa Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKW | OVERALL HEIGHT | 4.000 INCHES NOMINAL |
| BPXN | WEB FLANGE THICKNESS | 0.190 INCHES NOMINAL |
| BQJG | TOP FLANGE WIDTH | 2.660 INCHES NOMINAL |
| BQJH | BOTTOM FLANGE WIDTH | 2.660 INCHES NOMINAL |
| MATL | MATERIAL | ALUMINUM ALLOY |
| MATT | MATERIAL | ALUMINUM ALLOY |
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY OVERALL HEIGHT,WEB FLANGE THICKNESS,TOP FLANGE WIDTH AND BOTTOM FLANGE WIDTH |
| Relevant Components for NSN - 9540-00-951-4866, 9540009514866 | ||||
| 9540-01-419-5436 (9540014195436) | 9540-00-355-9508 (9540003559508) | 9540-00-540-5696 (9540005405696) | 9540-01-247-2816 (9540012472816) | |
| 9540-01-316-8247 (9540013168247) | 9540-00-145-8447 (9540001458447) | 9540-01-070-2164 (9540010702164) | 9540-01-276-0089 (9540012760089) | |
| 9540-01-496-2506 (9540014962506) | 9540-00-145-5802 (9540001455802) | 9540-01-276-0956 (9540012760956) | 9540-00-005-6284 (9540000056284) | |
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