The Beam,structural, cataloged under National Stock Number 9540-01-185-3754, is classified within Federal Supply Class 9540 (Structural Shapes, Nonferrous Base Metal) of the Metal Bars, Sheets, and Shapes group. Government technical data includes 25 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9540-01-185-3754 |
| Item Name | Beam,structural |
| FSC / FSG | 9540 / 95 — Structural Shapes, Nonferrous Base Metal |
| Status | ACTIVE |
| Third Tip Radius | 0.078 INCHES NOMINAL IN |
| Right Side Top Flange Thickness | 0.156 INCHES NOMINAL IN |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| Left Side Top Flange Distance to Center of Both Flanges | 1.325 INCHES NOMINAL IN |
| Right Top Inside Angle | 90.0 DEGREES NOMINAL |
| Third Tip Style | FULL RADIUS |
| Left Top Inside Angle | 90.0 DEGREES NOMINAL |
| Heat Treatment | T-73511 SOLUTION HEAT TREATED |
| Fillet Radius Where Top Right Flange Joins Web Flange/leg | 0.156 INCHES NOMINAL IN |
| First Tip Radius | 0.156 INCHES NOMINAL IN |
| Material Document and Classification | AMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE |
| Fillet Radius Where Top Left Flange Joins Web Flange/leg | 0.156 INCHES NOMINAL IN |
| Basic Shape Style | T SHAPE |
| Weight Per Unit Measure | 0.810 POUNDS PER LINEAR FOOT LBS |
| Specification/standard Data | 80205-NAS344 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | T73511 TEMPER |
| Top Flange Width | 2.750 INCHES NOMINAL IN |
| Third Tip Relationship to Preceding Tips | NOT IDENTICAL |
| Material | ALUMINUM ALLOY 7075 |
| Fabrication Method | EXTRUDED |
| Leg Thickness | 0.156 INCHES NOMINAL IN |
| First Tip Style | LOWER RADIUS |
| Left Side Top Flange Thickness | 0.156 INCHES NOMINAL IN |
| Second Tip Relationship to First Tip | IDENTICAL |
| Right Side Top Flange Distance to Center of Both Flanges | 1.325 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 60-17910 | 3/1 Design control — primary reference Transtar Metals Corp |
| 10164624 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| AMS-QQ-A-200/11 | 3/1 Design control — primary reference Sae International Dba Sae International |
| QQ-A-200/11 | 5/9 Secondary reference U.S. Government activity |
| NAS344-66 | 3/1 Design control — primary reference U.S. Government activity |
| 1MA160D05-10121 | 5/9 Secondary reference The Boeing Company Div Defense |
| AMS-QQ-A-200/11 | 5/9 Secondary reference U.S. Government activity |
NSN 9540-01-185-3754 is a Beam,structural, classified under FSC 9540, Structural Shapes, Nonferrous Base Metal. Status: active.
Key specifications for 9540-01-185-3754: Third Tip Radius: 0.078 INCHES NOMINAL IN; Overall Height: 1.750 INCHES NOMINAL IN; Right Side Top Flange Thickness: 0.156 INCHES NOMINAL IN; Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT. 25 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.