The Beam,structural, cataloged under National Stock Number 9540-00-596-2750, is classified within Federal Supply Class 9540 (Structural Shapes, Nonferrous Base Metal) of the Metal Bars, Sheets, and Shapes group. Government technical data includes 22 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 9540-00-596-2750 |
| Item Name | Beam,structural |
| FSC / FSG | 9540 / 95 — Structural Shapes, Nonferrous Base Metal |
| Status | ACTIVE |
| Right Side Top Flange Thickness | 0.081 INCHES NOMINAL IN |
| Length | 0.333 FEET NOMINAL FT |
| Left Side Top Flange Distance to Center of Both Flanges | 0.930 INCHES NOMINAL IN |
| Right Top Inside Angle | 90.0 DEGREES NOMINAL |
| Third Tip Style | SQUARE END |
| Left Top Inside Angle | 90.0 DEGREES NOMINAL |
| Fillet Radius Where Top Right Flange Joins Web Flange/leg | 0.120 INCHES NOMINAL IN |
| First Tip Radius | 0.081 INCHES NOMINAL IN |
| Fillet Radius Where Top Left Flange Joins Web Flange/leg | 0.120 INCHES NOMINAL IN |
| Basic Shape Style | T SHAPE |
| Weight Per Unit Measure | 0.630 POUNDS PER LINEAR FOOT LBS |
| Specification/standard Data | 81348-QQ-A-267 GOVERNMENT SPECIFICATION |
| Nondefinitive Spec/std Data | T4 TEMPER |
| Top Flange Width | 1.940 INCHES NOMINAL IN |
| Third Tip Relationship to Preceding Tips | NOT IDENTICAL |
| Material | ALUMINUM ALLOY |
| Fabrication Method | EXTRUDED |
| Leg Thickness | 0.093 INCHES NOMINAL IN |
| First Tip Style | LOWER RADIUS |
| Left Side Top Flange Thickness | 0.081 INCHES NOMINAL IN |
| Second Tip Relationship to First Tip | IDENTICAL |
| Right Side Top Flange Distance to Center of Both Flanges | 1.010 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 |
| Reference | Meaning |
|---|---|
| 31445 | 3/1 Design control — primary reference Aluminum Co of America |
| LS689 | 3/2 Design control — primary reference U.S. Government activity |
| QQ-A-267 | 4/1 Identification reference U.S. Government activity |
NSN 9540-00-596-2750 is a Beam,structural, classified under FSC 9540, Structural Shapes, Nonferrous Base Metal. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 2920-01-110-8273, 4940-01-117-9146, 4010-01-228-0393. Verify interchangeability with system specifications before substitution.
Key specifications for 9540-00-596-2750: Overall Height: 4.000 INCHES NOMINAL IN; Right Side Top Flange Thickness: 0.081 INCHES NOMINAL IN; Length: 0.333 FEET NOMINAL FT; Left Side Top Flange Distance to Center of Both Flanges: 0.930 INCHES NOMINAL IN. 22 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.