The Beam,structural, cataloged under National Stock Number 9540-01-499-8598, is classified within Federal Supply Class 9540 (Structural Shapes, Nonferrous Base Metal) of the Metal Bars, Sheets, and Shapes group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9540-01-499-8598 |
| Item Name | Beam,structural |
| FSC / FSG | 9540 / 95 — Structural Shapes, Nonferrous Base Metal |
| Status | ACTIVE |
| Right Side Bottom Flange Thickness | 0.078 INCHES NOMINAL IN |
| Length | 12.000 FEET NOMINAL FT |
| Web Flange Thickness | 0.078 INCHES NOMINAL IN |
| Left Top Inside Angle | 90.0 DEGREES NOMINAL |
| First Tip Radius | 0.078 INCHES NOMINAL IN |
| Right Bottom Inside Angle | 90.0 DEGREES NOMINAL |
| Fillet Radius Where Top Left Flange Joins Web Flange/leg | 0.125 INCHES NOMINAL IN |
| Second Tip Radius | 0.078 INCHES NOMINAL IN |
| Basic Shape Style | Z SHAPE |
| Bottom Flange Width | 0.750 INCHES NOMINAL IN |
| Fillet Radius Where Bottom Right Flange Joins Web Flange/leg | 0.125 INCHES NOMINAL IN |
| Top Flange Width | 0.750 INCHES NOMINAL IN |
| First Tip Style | LOWER RADIUS |
| Left Side Top Flange Thickness | 0.078 INCHES NOMINAL IN |
| Second Tip Relationship to First Tip | NOT IDENTICAL |
| Second Tip Style | UPPER 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 |
|---|---|
| AND10138-1202 | 2/2 Government specification standardization U.S. Government activity |
NSN 9540-01-499-8598 is a Beam,structural, classified under FSC 9540, Structural Shapes, Nonferrous Base Metal. Status: active.
Key specifications for 9540-01-499-8598: Overall Height: 1.250 INCHES NOMINAL IN; Right Side Bottom Flange Thickness: 0.078 INCHES NOMINAL IN; Length: 12.000 FEET NOMINAL FT; Web Flange Thickness: 0.078 INCHES NOMINAL IN. 16 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.