The Beam,structural, cataloged under National Stock Number 9540-01-459-5965, 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 27 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9540-01-459-5965 |
| Primary Part Number | 1MT363A01-10020 |
| Item Name | Beam,structural |
| FSC / FSG | 9540 / 95 — Structural Shapes, Nonferrous Base Metal |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| First Tip Inner Radius | 0.090 INCHES NOMINAL IN |
| FSC Application Data | F-15I |
| Right Side Top Flange Thickness | 0.420 INCHES NOMINAL IN |
| Right Side Bottom Flange Thickness | 0.420 INCHES NOMINAL IN |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| Left Side Top Flange Distance to Center of Both Flanges | 2.330 INCHES NOMINAL IN |
| Right Top Inside Angle | 90.0 DEGREES NOMINAL |
| Left Top Inside Angle | 90.0 DEGREES NOMINAL |
| Heat Treatment | ANNEALED |
| Fillet Radius Where Top Right Flange Joins Web Flange/leg | 0.250 INCHES NOMINAL IN |
| Material Document and Classification | MIL-T-81556, COMP 6AL-4V MIL SPEC SINGLE MATERIAL RESPONSE V |
| Right Bottom Inside Angle | 90.0 DEGREES NOMINAL |
| Fillet Radius Where Top Left Flange Joins Web Flange/leg | 0.250 INCHES NOMINAL IN |
| Basic Shape Style | T SHAPE |
| Nondefinitive Spec/std Data | 6AL-4V COMPOSITION AND ANNEALED CONDITION V |
| Bottom Flange Width | 0.760 INCHES NOMINAL IN |
| Fillet Radius Where Bottom Right Flange Joins Web Flange/leg | 0.250 INCHES NOMINAL IN |
| Top Flange Width | 4.830 INCHES NOMINAL IN |
| Third Tip Relationship to Preceding Tips | IDENTICAL W/FIRST TIP |
| Material | TITANIUM ALLOY UNS R56400 |
| Fabrication Method | EXTRUDED |
| First Tip Outer Radius | 0.090 INCHES NOMINAL IN |
| Leg Thickness | 0.300 INCHES NOMINAL IN |
| First Tip Style | SQUARE W/ INNER AND OUTER CORNER RADII |
| Left Side Top Flange Thickness | 0.420 INCHES NOMINAL IN |
| Second Tip Relationship to First Tip | IDENTICAL |
| Right Side Top Flange Distance to Center of Both Flanges | 2.500 INCHES NOMINAL IN |
| 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 |
|---|---|
| 1MT363A01-10020 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| MIL-T-81556 | 4/1 Identification reference U.S. Government activity |
NSN 9540-01-459-5965 is a Beam,structural, manufactured by The Boeing Company Div Defense, classified under FSC 9540, Structural Shapes, Nonferrous Base Metal. Status: active.
NSN 9540-01-459-5965 has 1 manufacturer part number on file: 1MT363A01-10020 (The Boeing Company Div Defense).
Key specifications for 1MT363A01-10020: First Tip Inner Radius: 0.090 INCHES NOMINAL IN; Overall Height: 1.600 INCHES NOMINAL IN; FSC Application Data: F-15I; Right Side Top Flange Thickness: 0.420 INCHES NOMINAL IN. 27 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.