The Beam,structural, cataloged under National Stock Number 9520-00-950-5291, is classified within Federal Supply Class 9520 (Structural Shapes) of the Metal Bars, Sheets, and Shapes group. Government technical data includes 29 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9520-00-950-5291 |
| Item Name | Beam,structural |
| FSC / FSG | 9520 / 95 — Structural Shapes |
| Status | ACTIVE |
| Right Top Inner Face to Outer Face Angle | 90.0 DEGREES NOMINAL |
| Right Side Top Flange Thickness | 0.375 INCHES NOMINAL IN |
| Right Side Bottom Flange Thickness | 0.375 INCHES NOMINAL IN |
| Fillet Radius Where Bottom Left Flange Joins Web Flange/leg | 0.750 INCHES NOMINAL IN |
| Length | 20.000 FEET MINIMUM AND 30.000 FEET MAXIMUM FT |
| Left Side Top Flange Distance to Center of Both Flanges | 1.312 INCHES NOMINAL IN |
| Web Flange Thickness | 0.187 INCHES NOMINAL IN |
| Fourth Tip Relationship to Preceding Tips | IDENTICAL W/FIRST TIP |
| Right Side Top Flange Tip Thickness | 0.187 INCHES NOMINAL IN |
| Left Side Bottom Flange Thickness | 0.375 INCHES NOMINAL IN |
| Fillet Radius Where Top Right Flange Joins Web Flange/leg | 0.750 INCHES NOMINAL IN |
| Fillet Radius Where Top Left Flange Joins Web Flange/leg | 0.750 INCHES NOMINAL IN |
| Right Side Bottom Flange Tip Thickness | 0.187 INCHES NOMINAL IN |
| Basic Shape Style | I SHAPE |
| Weight Per Unit Measure | 7.700 POUNDS PER LINEAR FOOT LBS |
| Nondefinitive Spec/std Data | 2 TYPE AND 1 CLASS |
| Bottom Flange Width | 2.625 INCHES NOMINAL IN |
| Left Side Bottom Flange Tip Thickness | 0.187 INCHES NOMINAL IN |
| Left Top Inner Face to Outer Face Angle | 90.0 DEGREES NOMINAL |
| Right Side Bottom Flange Distance to Center of Both Flanges | 1.312 INCHES NOMINAL IN |
| Fillet Radius Where Bottom Right Flange Joins Web Flange/leg | 0.750 INCHES NOMINAL IN |
| Top Flange Width | 2.625 INCHES NOMINAL IN |
| Left Side Top Flange Tip Thickness | 0.187 INCHES NOMINAL IN |
| Third Tip Relationship to Preceding Tips | IDENTICAL W/FIRST TIP |
| Left Bottom Inner Face to Outer Face Angle | 90.0 DEGREES NOMINAL |
| Left Side Bottom Flange Distance to Center of Both Flanges | 1.312 INCHES NOMINAL IN |
| First Tip Style | SQUARE END |
| Right Bottom Inner Face to Outer Face Angle | 90.0 DEGREES NOMINAL |
| Left Side Top Flange Thickness | 0.375 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 |
|---|---|
| QQS741TYPE2CLASS1 | 4/1 Identification reference U.S. Government activity |
NSN 9520-00-950-5291 is a Beam,structural, classified under FSC 9520, Structural Shapes. Status: active.
Key specifications for 9520-00-950-5291: Right Top Inner Face to Outer Face Angle: 90.0 DEGREES NOMINAL; Overall Height: 4.000 INCHES NOMINAL IN; Right Side Top Flange Thickness: 0.375 INCHES NOMINAL IN; Right Side Bottom Flange Thickness: 0.375 INCHES NOMINAL IN. 29 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.