The Channel,structural, cataloged under National Stock Number 9540-01-181-7525, 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 The Boeing Company Div Defense. Government technical data includes 28 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 9540-01-181-7525 |
| Primary Part Number | 1MA122D06-10002 |
| Item Name | Channel,structural |
| FSC / FSG | 9540 / 95 — Structural Shapes, Nonferrous Base Metal |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Right Side Bottom Flange Thickness | 0.050 INCHES NOMINAL IN |
| Distance Between Flanges | 0.950 INCHES NOMINAL IN |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| Base Flange Thickness | 0.050 INCHES NOMINAL IN |
| Fourth Tip Relationship to Preceding Tips | IDENTICAL W/FIRST TIP |
| Right Side Distance to Center of Both Flanges | 1.840 INCHES NOMINAL IN |
| Left Side Flange Height | 1.900 INCHES NOMINAL IN |
| Left Side Bottom Flange Thickness | 0.050 INCHES NOMINAL IN |
| Heat Treatment | T-76511 SOLUTION HEAT TREATED |
| Fillet Radius Where Right Flange Joins Base Flange | 0.094 INCHES NOMINAL IN |
| Material Document and Classification | AMS-Q-A-200/15 FED SPEC SINGLE MATERIAL RESPONSE |
| Left Side Flange Thickness | 0.050 INCHES NOMINAL IN |
| Basic Shape Style | CHANNEL |
| Right Side Flange Height | 1.900 INCHES NOMINAL IN |
| Weight Per Unit Measure | 0.330 POUNDS PER LINEAR FOOT LBS |
| Fillet Radius Where Left Flange Joins Base Flange | 0.094 INCHES NOMINAL IN |
| Right Side Flange Thickness | 0.050 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | 7075 ALLOY AND T76511 TEMPER |
| Right Inside Angle | 90.0 DEGREES NOMINAL |
| Left Inside Angle | 90.0 DEGREES NOMINAL |
| Outer Radius Where Left Flange Joins Base Flange | 0.094 INCHES NOMINAL IN |
| Third Tip Relationship to Preceding Tips | IDENTICAL W/FIRST TIP |
| Material | ALUMINUM ALLOY 7075 |
| Fabrication Method | EXTRUDED |
| First Tip Style | SQUARE END |
| Second Tip Relationship to First Tip | IDENTICAL |
| Outer Radius Where Right Flange Joins Base Flange | 0.094 INCHES NOMINAL IN |
| Left Side Distance to Center of Both Flanges | 1.840 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 |
|---|---|
| 1MA122D06-10002 PRIMARY | The Boeing Company Div Defense (USA) |
| 60-16304 PRIMARY | Transtar Metals Corp (USA) |
| Reference | Meaning |
|---|---|
| AMS-QQ-A-200/15 | 5/9 Secondary reference U.S. Government activity |
| 10164619 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| QQ-A-200/15 | 5/9 Secondary reference U.S. Government activity |
| AMS-QQ-A-200/15 | 3/1 Design control — primary reference Sae International Dba Sae International |
| 277792 | 3/1 Design control — primary reference Aluminum Co of America |
| ASTM B221 | 5/9 Secondary reference U.S. Government activity |
NSN 9540-01-181-7525 is a Channel,structural, manufactured by The Boeing Company Div Defense, classified under FSC 9540, Structural Shapes, Nonferrous Base Metal. Status: active.
NSN 9540-01-181-7525 has 2 manufacturer part numbers on file: 1MA122D06-10002 (The Boeing Company Div Defense), 60-16304 (Transtar Metals Corp).
1 possible match (shared part number, not a government interchangeability claim): 3010-01-275-5339. Verify interchangeability with system specifications before substitution.
Key specifications for 1MA122D06-10002: Right Side Bottom Flange Thickness: 0.050 INCHES NOMINAL IN; Distance Between Flanges: 0.950 INCHES NOMINAL IN; Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT; Base Flange Thickness: 0.050 INCHES NOMINAL IN. 28 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.