The Beam,structural, cataloged under National Stock Number 9540-01-086-5055, is classified within Federal Supply Class 9540 (Structural Shapes, Nonferrous Base Metal) of the Metal Bars, Sheets, and Shapes group. Government technical data includes 22 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9540-01-086-5055 |
| Item Name | Beam,structural |
| FSC / FSG | 9540 / 95 — Structural Shapes, Nonferrous Base Metal |
| Status | ACTIVE |
| Right Side Top Flange Thickness | 0.100 INCHES NOMINAL IN |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| Left Side Top Flange Distance to Center of Both Flanges | 1.750 INCHES NOMINAL IN |
| Right Top Inside Angle | 76.0 DEGREES NOMINAL |
| Left Top Inside Angle | 104.0 DEGREES NOMINAL |
| Heat Treatment | O-ANNEALED |
| Fillet Radius Where Top Right Flange Joins Web Flange/leg | 0.125 INCHES NOMINAL IN |
| Material Document and Classification | AMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE |
| Fillet Radius Where Top Left Flange Joins Web Flange/leg | 0.125 INCHES NOMINAL IN |
| Basic Shape Style | T SHAPE |
| Weight Per Unit Measure | 0.624 POUNDS PER LINEAR FOOT LBS |
| Specification/standard Data | 81755-K42 MANUFACTURERS STANDARD |
| Nondefinitive Spec/std Data | O TEMPER |
| Top Flange Width | 3.800 INCHES NOMINAL IN |
| Third Tip Relationship to Preceding Tips | IDENTICAL W/FIRST TIP |
| Material | ALUMINUM ALLOY 2024 |
| Fabrication Method | EXTRUDED |
| Leg Thickness | 0.100 INCHES NOMINAL IN |
| First Tip Style | SQUARE END |
| Left Side Top Flange Thickness | 0.100 INCHES NOMINAL IN |
| Second Tip Relationship to First Tip | IDENTICAL |
| Right Side Top Flange Distance to Center of Both Flanges | 2.050 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| AMS-QQ-A-200/3 | 5/9 Secondary reference U.S. Government activity |
| MS14375E135 | 2/2 Government specification standardization U.S. Government activity |
| K42A36O | 5/1 Secondary reference U.S. Government activity |
| QQ-A-200/3 | 5/9 Secondary reference U.S. Government activity |
| AMS-QQ-A-200/3 | 5/1 Secondary reference Sae International Dba Sae International |
| 11013-A | 5/1 Secondary reference Pimalco Inc. Div Alcoa Inc Global Hard Alloy Extrusions |
NSN 9540-01-086-5055 is a Beam,structural, classified under FSC 9540, Structural Shapes, Nonferrous Base Metal. Status: active.
Key specifications for 9540-01-086-5055: Overall Height: 2.324 INCHES NOMINAL IN; Right Side Top Flange Thickness: 0.100 INCHES NOMINAL IN; Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT; Left Side Top Flange Distance to Center of Both Flanges: 1.750 INCHES NOMINAL IN. 22 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.
NSN 9540-01-086-5055 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.