The Channel,structural, cataloged under National Stock Number 9540-00-027-9168, 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 Howmet Corporation Dba Alcoa Howmet, Whitehall, Casting Operations. Government technical data includes 21 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9540-00-027-9168 |
| Primary Part Number | T2871 |
| Item Name | Channel,structural |
| FSC / FSG | 9540 / 95 — Structural Shapes, Nonferrous Base Metal |
| Manufacturer | Howmet Corporation Dba Alcoa Howmet, Whitehall, Casting Operations |
| Status | ACTIVE |
| Length | 12.000 FEET NOMINAL FT |
| Base Flange Thickness | 0.125 INCHES NOMINAL IN |
| Left Side Flange Height | 1.125 INCHES NOMINAL IN |
| Heat Treatment | T-4 SOLUTION HEAT TREATED |
| First Tip Radius | 0.060 INCHES NOMINAL IN |
| Fillet Radius Where Right Flange Joins Base Flange | 0.060 INCHES NOMINAL IN |
| Material Document and Classification | AMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE |
| Left Side Flange Thickness | 0.125 INCHES NOMINAL IN |
| Basic Shape Style | CHANNEL |
| Right Side Flange Height | 1.125 INCHES NOMINAL IN |
| Weight Per Unit Measure | 0.504 POUNDS PER LINEAR FOOT LBS |
| Fillet Radius Where Left Flange Joins Base Flange | 0.060 INCHES NOMINAL IN |
| Right Side Flange Thickness | 0.125 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | 2024 ALLOY AND T4 TEMPER |
| Right Inside Angle | 90.0 DEGREES NOMINAL |
| Left Inside Angle | 90.0 DEGREES NOMINAL |
| Outer Radius Where Left Flange Joins Base Flange | 0.060 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 |
| First Tip Style | FULL RADIUS |
| Second Tip Relationship to First Tip | IDENTICAL |
| Outer Radius Where Right Flange Joins Base Flange | 0.060 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 |
|---|---|
| T2871 PRIMARY | Howmet Corporation Dba Alcoa Howmet, Whitehall, Casting Operations (USA) |
| Reference | Meaning |
|---|---|
| AMS-QQ-A-200/3 | 5/9 Secondary reference U.S. Government activity |
| AMS-QQ-A-200/3 | 5/1 Secondary reference Sae International Dba Sae International |
| PA7581 | 5/9 Secondary reference Transtar Metals Corp |
| LS4436 | 5/9 Secondary reference U.S. Government activity |
NSN 9540-00-027-9168 is a Channel,structural, manufactured by Howmet Corporation Dba Alcoa Howmet, Whitehall, Casting Operations, classified under FSC 9540, Structural Shapes, Nonferrous Base Metal. Status: active.
NSN 9540-00-027-9168 has 1 manufacturer part number on file: T2871 (Howmet Corporation Dba Alcoa Howmet, Whitehall, Casting Operations).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-199-5967. Verify interchangeability with system specifications before substitution.
Key specifications for T2871: Length: 12.000 FEET NOMINAL FT; Base Flange Thickness: 0.125 INCHES NOMINAL IN; Left Side Flange Height: 1.125 INCHES NOMINAL IN; Heat Treatment: T-4 SOLUTION HEAT TREATED. 21 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.