The Angle,structural, cataloged under National Stock Number 9540-00-197-9871, is classified within Federal Supply Class 9540 (Structural Shapes, Nonferrous Base Metal) of the Metal Bars, Sheets, and Shapes group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9540-00-197-9871 |
| Item Name | Angle,structural |
| FSC / FSG | 9540 / 95 — Structural Shapes, Nonferrous Base Metal |
| Status | ACTIVE |
| Base Flange Thickness | 0.125 INCHES NOMINAL IN |
| Heat Treatment | SOFT TEMPER |
| Material Document and Classification | QQ-B-637, ALLOY 464 FED SPEC 1ST MATERIAL RESPONSE |
| Left Side Flange Thickness | 0.125 INCHES NOMINAL IN |
| Basic Shape Style | ANGLE |
| Weight Per Unit Measure | 0.410 POUNDS PER LINEAR FOOT LBS |
| Nondefinitive Spec/std Data | 1SOFT COMPOSITION |
| Left Inside Angle | 90.0 DEGREES NOMINAL |
| Material | COPPER ALLOY 464 |
| 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 |
| Reference | Meaning |
|---|---|
| QQ-B-637 | 5/9 Secondary reference U.S. Government activity |
| ASTM B21 | 3/1 Design control — primary reference Sae International Dba Sae International |
| ASTM B21 | 3/9 Design control — primary reference U.S. Government activity |
NSN 9540-00-197-9871 is a Angle,structural, classified under FSC 9540, Structural Shapes, Nonferrous Base Metal. Status: active.
Key specifications for 9540-00-197-9871: Overall Height: 0.500 INCHES NOMINAL IN; Base Flange Thickness: 0.125 INCHES NOMINAL IN; Heat Treatment: SOFT TEMPER; Material Document and Classification: QQ-B-637, ALLOY 464 FED SPEC 1ST MATERIAL RESPONSE. 12 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.