The Angle,structural, cataloged under National Stock Number 9540-01-300-2881, 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 Aluminum Co of America. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Angle,structural |
| FSC / FSG | 9540 — Structural Shapes, Nonferrous Base Metal (FSG 95) |
| Manufacturers | Aluminum Co of America (CAGE 01634) |
| Parameter | Value |
|---|---|
| NSN | 9540-01-300-2881 |
| Primary Part Number | 51921 |
| Item Name | Angle,structural |
| FSC / FSG | 9540 / 95 — Structural Shapes, Nonferrous Base Metal |
| Manufacturer | Aluminum Co of America |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 51921 PRIMARY | Aluminum Co of America (USA) |
NSN 9540-01-300-2881 is a Angle,structural, manufactured by Aluminum Co of America, classified under FSC 9540, Structural Shapes, Nonferrous Base Metal. Status: active.
NSN 9540-01-300-2881 has 1 manufacturer part number on file: 51921 (Aluminum Co of America).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-335-5998. Verify interchangeability with system specifications before substitution.
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.