The Backing Board,leak,, cataloged under National Stock Number 1680-01-500-8205, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Axillon Aerospace (rockmart), Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-01-500-8205 |
| Primary Part Number | 4-50497-11 |
| Item Name | Backing Board,leak, |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Axillon Aerospace (rockmart), Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 74B580169-111 | The Boeing Company Div Defense (USA) |
| 4-50497-11 PRIMARY | Axillon Aerospace (rockmart), Llc (USA) |
| Reference | Meaning |
|---|---|
| 74B580169-111 | 5/9 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
NSN 1680-01-500-8205 is a Backing Board,leak,, manufactured by Axillon Aerospace (rockmart), Llc, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-500-8205 has 2 manufacturer part numbers on file: 74B580169-111 (The Boeing Company Div Defense), 4-50497-11 (Axillon Aerospace (rockmart), Llc).
Key specifications for 4-50497-11: End Item Identification: FIGHTER, AIRCRAFT-FIRST. 0 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.
NSN 1680-01-500-8205 has DEMIL Code D. 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.