The Beam,structural, cataloged under National Stock Number 9540-01-044-9727, is classified within Federal Supply Class 9540 (Structural Shapes, Nonferrous Base Metal) of the Metal Bars, Sheets, and Shapes group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9540-01-044-9727 |
| Primary Part Number | A51B16590-13 |
| Item Name | Beam,structural |
| FSC / FSG | 9540 / 95 — Structural Shapes, Nonferrous Base Metal |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Material Document and Classification | MIL-A-22771, TEMPER T73 MIL SPEC SINGLE MATERIAL RESPONSE |
| Material | ALUMINUM ALLOY 7075 |
| Fabrication Method | FORGED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A51B16590-13 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| A51B16590-13 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| A51B16590-13 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
NSN 9540-01-044-9727 is a Beam,structural, manufactured by Northrop Grumman Systems Corporation, classified under FSC 9540, Structural Shapes, Nonferrous Base Metal. Status: active.
NSN 9540-01-044-9727 has 1 manufacturer part number on file: A51B16590-13 (Northrop Grumman Systems Corporation).
Key specifications for A51B16590-13: Material Document and Classification: MIL-A-22771, TEMPER T73 MIL SPEC SINGLE MATERIAL RESPONSE; Material: ALUMINUM ALLOY 7075; Fabrication Method: FORGED. 3 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 9540-01-044-9727 has DEMIL Code D. 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.