The Beam,structural, cataloged under National Stock Number 9540-01-342-8686, is classified within Federal Supply Class 9540 (Structural Shapes, Nonferrous Base Metal) of the Metal Bars, Sheets, and Shapes group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9540-01-342-8686 |
| Item Name | Beam,structural |
| FSC / FSG | 9540 / 95 — Structural Shapes, Nonferrous Base Metal |
| Status | ACTIVE |
| Right Side Bottom Flange Thickness | 0.063 INCHES NOMINAL IN |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| Usage Design | AIRCRAFT |
| Web Flange Thickness | 0.063 INCHES NOMINAL IN |
| Left Top Inside Angle | 90.0 DEGREES NOMINAL |
| Heat Treatment | T-3511 SOLUTION HEAT TREATED |
| Material Document and Classification | AMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE |
| Right Bottom Inside Angle | 90.0 DEGREES NOMINAL |
| Fillet Radius Where Top Left Flange Joins Web Flange/leg | 0.032 INCHES NOMINAL IN |
| Basic Shape Style | Z SHAPE |
| Weight Per Unit Measure | 0.145 POUNDS PER LINEAR FOOT LBS |
| Nondefinitive Spec/std Data | 2024 ALLOY AND T3511 TEMPER |
| Bottom Flange Width | 1.003 INCHES NOMINAL IN |
| Fillet Radius Where Bottom Right Flange Joins Web Flange/leg | 0.032 INCHES NOMINAL IN |
| Top Flange Width | 0.810 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 |
| Fabrication Method | EXTRUDED |
| First Tip Style | SQUARE END |
| Left Side Top Flange Thickness | 0.063 INCHES NOMINAL IN |
| Second Tip Relationship to First Tip | IDENTICAL |
| 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 |
|---|---|
| LS30585-1 | 3/1 Design control — primary reference U.S. Government activity |
| AMS-QQ-A-200/3 | 5/9 Secondary reference U.S. Government activity |
| 60-14141 | 3/1 Design control — primary reference Transtar Metals Corp |
| QQ-A-200/3 | 5/9 Secondary reference U.S. Government activity |
| AMS-QQ-A-200/3 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 9540-01-342-8686 is a Beam,structural, classified under FSC 9540, Structural Shapes, Nonferrous Base Metal. Status: active.
Key specifications for 9540-01-342-8686: Overall Height: 0.229 INCHES NOMINAL IN; Right Side Bottom Flange Thickness: 0.063 INCHES NOMINAL IN; Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT; Usage Design: AIRCRAFT. 20 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.