The Panel,structural,aircraft, cataloged under National Stock Number 1560-01-646-5573, is classified within Federal Supply Class 1560 (Airframe Structural Components) of the Aircraft and Airframe Components group. The manufacturer of record is Aero Components, Llc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 24 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1560-01-646-5573 |
| Primary Part Number | 4-5020-23 |
| Item Name | Panel,structural,aircraft |
| FSC / FSG | 1560 / 15 — Airframe Structural Components |
| Manufacturer | Aero Components, Llc |
| Status | ACTIVE |
| Aircraft Location | UPPER INBOARD FLAP |
| Material | ALUMINUM ALLOY 2024 |
| Aircraft Mission Design Series | B-52 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 4-5020-23 | Aero Components, Llc (USA) |
| 4-5020-23 | Radius Aerospace-Fort Worth, Inc. (USA) |
| 4-5020-23 | Infinity Fabrication, Inc. (USA) |
| 4-5020-23 | Texas Air Composites Inc. Dba Texas Air Manufacturing (USA) |
| 4-5020-23 | Lbz, L.l.c Dba Platinum Aerostructures (USA) |
| 4-5020-235 | D-J Engineering Inc Dba D-J Engineering Inc (USA) |
| 4-5020-23 | Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace (USA) |
| 4-5020-23 | Tolo Incorporated Dba Bfgoodrich Aerospace, Tolo Division (USA) |
| 4-5020-235 | Aero Space Composites Llc Dba Aerospace Composites (USA) |
| 4-5020-23 | Top Flight Aerostructures, Inc. Dba Top Flight Aerostructures Inc (USA) |
| 4-5020-23 | Sanders Composites, Inc. Dba Sanders Composites Industries (USA) |
| 4-5020-235 | Honeycomb Composite Systems Inc (USA) |
| 4-5020-23 | Applied Aerospace Structures Corp (USA) |
| 4-5020-235 | Rooke Corp. Dba Aviation Equipment (USA) |
| 4-5020-235 | Aircraft Connection Inc. (USA) |
| 4-5020-23 | Apex Composites, L.l.c. Dba Apex Composites Inc (USA) |
| 4-5020-23 | H & R Parts Co Inc (USA) |
| 4-5020-235 | Norjen Inc (USA) |
| 4-5020-23 | Nordam Group Llc, the Div Nordam (USA) |
| 4-5020-23 | Malones Cnc Machining Inc (USA) |
| Reference | Meaning |
|---|---|
| 4-5020-23 | 5/2 Secondary reference U.S. Government activity |
| 4-5020-23 | 5/2 Secondary reference U.S. Government activity |
| 4-5020-235 | 5/9 Secondary reference Dods, Inc. of Oklahoma |
| 4-5020-23 | 3/2 Design control — primary reference U.S. Government activity |
| 4-5020-23 | 5/2 Secondary reference U.S. Government activity |
| 4-5020-23 | 5/2 Secondary reference U.S. Government activity |
NSN 1560-01-646-5573 is a Panel,structural,aircraft, manufactured by Aero Components, Llc, classified under FSC 1560, Airframe Structural Components. Status: active.
NSN 1560-01-646-5573 has 24 manufacturer part numbers on file: 4-5020-23 (Aero Components, Llc), 4-5020-23 (Radius Aerospace-Fort Worth, Inc.), 4-5020-23 (Infinity Fabrication, Inc.), 4-5020-23 (Texas Air Composites Inc. Dba Texas Air Manufacturing), 4-5020-23 (Lbz, L.l.c Dba Platinum Aerostructures) and 19 more.
Key specifications for 4-5020-23: Aircraft Location: UPPER INBOARD FLAP; Part Name Assigned by Controlling Agency: PANEL,FLAP BONDED; End Item Identification: B-52 AIRCRAFT; Material: ALUMINUM ALLOY 2024. 3 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1560-01-646-5573 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.