The Angle,structural, cataloged under National Stock Number 9540-00-250-3600, 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 Alcoa/reynolds Metals Company. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 9540-00-250-3600 |
| Primary Part Number | 2255 |
| Item Name | Angle,structural |
| FSC / FSG | 9540 / 95 — Structural Shapes, Nonferrous Base Metal |
| Manufacturer | Alcoa/reynolds Metals Company |
| Status | ACTIVE |
| Length | 20.000 FEET MINIMUM AND 30.000 FEET MAXIMUM FT |
| Base Flange Thickness | 0.375 INCHES NOMINAL IN |
| Heat Treatment | T-4 SOLUTION HEAT TREATED |
| First Tip Radius | 0.125 INCHES NOMINAL IN |
| Material Document and Classification | AMS-QQ-A-200/8 FED SPEC SINGLE MATERIAL RESPONSE |
| Left Side Flange Thickness | 0.375 INCHES NOMINAL IN |
| Second Tip Radius | 0.125 INCHES NOMINAL IN |
| Basic Shape Style | ANGLE |
| Weight Per Unit Measure | 1.640 POUNDS PER LINEAR FOOT LBS |
| Fillet Radius Where Left Flange Joins Base Flange | 0.250 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | 6061 ALLOY AND T4 TEMPER |
| Left Inside Angle | 90.0 DEGREES NOMINAL |
| Material | ALUMINUM ALLOY 6061 |
| Fabrication Method | EXTRUDED |
| First Tip Style | RIGHT QUARTER RADIUS |
| Second Tip Relationship to First Tip | NOT IDENTICAL |
| Second Tip Style | UPPER RADIUS |
| 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 |
|---|---|
| 2255 | Alcoa/reynolds Metals Company (USA) |
| 60-8691 | Transtar Metals Corp (USA) |
| Reference | Meaning |
|---|---|
| AMS-QQ-A-200/8 | 5/9 Secondary reference U.S. Government activity |
| SAE-AMS-QQ-A-200/8 | 3/1 Design control — primary reference Sae International Dba Sae International |
| HA34 | 5/2 Secondary reference U.S. Government activity |
| ASTM B221 | 5/9 Secondary reference U.S. Government activity |
| AMS-QQ-A-200/8 | 5/9 Secondary reference Sae International Dba Sae International |
| PA3370 | 5/9 Secondary reference Transtar Metals Corp |
| 77X | 3/1 Design control — primary reference Aluminum Co of America |
| QQ-A-200/8 | 5/9 Secondary reference U.S. Government activity |
NSN 9540-00-250-3600 is a Angle,structural, manufactured by Alcoa/reynolds Metals Company, classified under FSC 9540, Structural Shapes, Nonferrous Base Metal. Status: active.
NSN 9540-00-250-3600 has 2 manufacturer part numbers on file: 2255 (Alcoa/reynolds Metals Company), 60-8691 (Transtar Metals Corp).
3 possible matches (shared part number, not a government interchangeability claim): 9540-00-542-2709, 5935-00-803-1374, 9540-00-892-1923. Verify interchangeability with system specifications before substitution.
Key specifications for 2255: Overall Height: 2.000 INCHES NOMINAL IN; Length: 20.000 FEET MINIMUM AND 30.000 FEET MAXIMUM FT; Base Flange Thickness: 0.375 INCHES NOMINAL IN; Heat Treatment: T-4 SOLUTION HEAT TREATED. 17 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.