The Angle,structural, cataloged under National Stock Number 9540-01-231-2293, 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 The Boeing Company Div Defense. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9540-01-231-2293 |
| Primary Part Number | 1M2166 |
| Item Name | Angle,structural |
| FSC / FSG | 9540 / 95 — Structural Shapes, Nonferrous Base Metal |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Base Flange Thickness | 0.050 INCHES NOMINAL IN |
| Left Side Flange Thickness | 0.050 INCHES NOMINAL IN |
| Basic Shape Style | ANGLE |
| Weight Per Unit Measure | 0.142 POUNDS PER LINEAR FOOT LBS |
| Fillet Radius Where Left Flange Joins Base Flange | 0.094 INCHES NOMINAL IN |
| Left Inside Angle | 90.0 DEGREES NOMINAL |
| Material | ALUMINUM ALLOY |
| Fabrication Method | EXTRUDED |
| First Tip Style | SQUARE END |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 1M2166 | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 17204 | 3/9 Design control — primary reference International Light Metals Corp Sub of Martin Marietta Corp |
NSN 9540-01-231-2293 is a Angle,structural, manufactured by The Boeing Company Div Defense, classified under FSC 9540, Structural Shapes, Nonferrous Base Metal. Status: active.
NSN 9540-01-231-2293 has 1 manufacturer part number on file: 1M2166 (The Boeing Company Div Defense).
3 possible matches (shared part number, not a government interchangeability claim): 6515-01-590-3833, 7510-01-604-3523, 5305-01-693-7758. Verify interchangeability with system specifications before substitution.
Key specifications for 1M2166: Overall Height: 1.125 INCHES NOMINAL IN; Base Flange Thickness: 0.050 INCHES NOMINAL IN; Overall Width: 1.250 INCHES NOMINAL IN; Left Side Flange Thickness: 0.050 INCHES NOMINAL IN. 10 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.