The Beam,structural, cataloged under National Stock Number 9540-01-377-2705, 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25 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9540-01-377-2705 |
| Item Name | Beam,structural |
| FSC / FSG | 9540 / 95 — Structural Shapes, Nonferrous Base Metal |
| Status | ACTIVE |
| Third Tip Radius | 0.094 INCHES NOMINAL IN |
| Right Side Top Flange Thickness | 0.188 INCHES NOMINAL IN |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| Left Side Top Flange Distance to Center of Both Flanges | 2.000 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 | O-ANNEALED |
| Fillet Radius Where Top Right Flange Joins Web Flange/leg | 0.250 INCHES NOMINAL IN |
| First Tip Radius | 0.188 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-200/11 FED SPEC 1ST MATERIAL RESPONSE |
| Fillet Radius Where Top Left Flange Joins Web Flange/leg | 0.250 INCHES NOMINAL IN |
| Second Tip Radius | 0.188 INCHES NOMINAL IN |
| Basic Shape Style | T SHAPE |
| Nondefinitive Spec/std Data | TO TEMPER |
| Top Flange Width | 4.000 INCHES NOMINAL IN |
| Third Tip Relationship to Preceding Tips | NOT IDENTICAL |
| Material | ALUMINUM ALLOY 7075 |
| Fabrication Method | EXTRUDED |
| Leg Thickness | 0.188 INCHES NOMINAL IN |
| First Tip Style | LEFT QUARTER RADIUS |
| Left Side Top Flange Thickness | 0.188 INCHES NOMINAL IN |
| Second Tip Relationship to First Tip | NOT IDENTICAL |
| Right Side Top Flange Distance to Center of Both Flanges | 2.000 INCHES NOMINAL IN |
| Second Tip Style | RIGHT QUARTER RADIUS |
| 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 |
|---|---|
| AMS-QQ-A-200/11 | 3/1 Design control — primary reference Sae International Dba Sae International |
| AMS-QQ-A-200/11 | 5/9 Secondary reference U.S. Government activity |
| MS043-5521-0054 | 5/1 Secondary reference The Boeing Company Div Legacy Am&m |
| QQ-A-200/11 | 5/9 Secondary reference U.S. Government activity |
NSN 9540-01-377-2705 is a Beam,structural, classified under FSC 9540, Structural Shapes, Nonferrous Base Metal. Status: active.
Key specifications for 9540-01-377-2705: Third Tip Radius: 0.094 INCHES NOMINAL IN; Overall Height: 3.250 INCHES NOMINAL IN; Right Side Top Flange Thickness: 0.188 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.