The Plate,metal, cataloged under National Stock Number 9535-01-478-4868, is classified within Federal Supply Class 9535 (Plate, Sheet, Strip, and Foil; Nonferrous Base Metal) of the Metal Bars, Sheets, and Shapes group. The manufacturer of record is The Boeing Company Div Legacy Am&m. Government technical data includes 13 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 9535-01-478-4868 |
| Primary Part Number | ST0170LB0027 |
| Item Name | Plate,metal |
| FSC / FSG | 9535 / 95 — Plate, Sheet, Strip, and Foil; Nonferrous Base Metal |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Length | 24.000 INCHES NOMINAL IN |
| Cross-Sectional Thickness | 1.7500 INCHES NOMINAL IN |
| Heat Treatment | T-851 SOLUTION HEAT TREATED |
| Material Document and Classification | AMS-QQ-A-250/29 FED SPEC SINGLE MATERIAL RESPONSE |
| Basic Shape Style | SOLID |
| Nondefinitive Spec/std Data | 2124 ALLOY AND T851 TEMPER |
| Edge Type | SAWED |
| Physical Form | FLAT STOCK |
| Minimum Tensile Strength | 66000 POUNDS PER SQUARE INCH LBS |
| Minimum Yield Strength | 57000 POUNDS PER SQUARE INCH LBS |
| Width | 24.000 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2124 |
| Fabrication Method | ROLLED |
| 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 |
|---|---|
| ST0170LB0027 | The Boeing Company Div Legacy Am&m (USA) |
| Reference | Meaning |
|---|---|
| AMS-QQ-A-250/29 | 5/9 Secondary reference U.S. Government activity |
| QQ-A-250/29-T851,1.750X24X24 | 5/9 Secondary reference Defense Logistics Agency Dba Defense Supply Center Philadelphia |
| AMS-QQ-A-250/29 | 3/1 Design control — primary reference Sae International Dba Sae International |
| QQ-A-250/29 | 5/9 Secondary reference U.S. Government activity |
NSN 9535-01-478-4868 is a Plate,metal, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 9535, Plate, Sheet, Strip, and Foil; Nonferrous Base Metal. Status: active.
NSN 9535-01-478-4868 has 1 manufacturer part number on file: ST0170LB0027 (The Boeing Company Div Legacy Am&m).
5 possible matches (shared part number, not a government interchangeability claim): 9535-01-621-8649, 9535-01-621-8749, 9535-01-621-9427. Verify interchangeability with system specifications before substitution.
Key specifications for ST0170LB0027: Length: 24.000 INCHES NOMINAL IN; Cross-Sectional Thickness: 1.7500 INCHES NOMINAL IN; Heat Treatment: T-851 SOLUTION HEAT TREATED; Material Document and Classification: AMS-QQ-A-250/29 FED SPEC SINGLE MATERIAL RESPONSE. 13 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.