The Barrel,automatic Gun, cataloged under National Stock Number 1005-01-351-6856, is classified within Federal Supply Class 1005 (Guns, Through 30mm) of the Weapons group. The manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1005-01-351-6856 |
| Primary Part Number | 12599987 |
| Item Name | Barrel,automatic Gun |
| FSC / FSG | 1005 / 10 — Guns, Through 30mm |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Rifle Bore Groove Quantity | 9 |
| Size Designation | 20 MILLIMETER MM |
| Surface Treatment | CHROMIUM LOCATION NOT OTHERWISE SPECIFIED |
| Surface Treatment | CHROMIUM INSIDE |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 12599987 | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA) |
| 12599987 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| Reference | Meaning |
|---|---|
| 10177043 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 1005-01-351-6856 is a Barrel,automatic Gun, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 1005, Guns, Through 30mm. Status: active.
NSN 1005-01-351-6856 has 2 manufacturer part numbers on file: 12599987 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems), 12599987 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 12599987: Rifle Bore Groove Quantity: 9; Overall Length: 59.910 INCHES NOMINAL IN; Size Designation: 20 MILLIMETER MM; Surface Treatment: CHROMIUM LOCATION NOT OTHERWISE SPECIFIED. 5 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 1005-01-351-6856 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.