The Support,barrel, cataloged under National Stock Number 1005-01-421-9323, is classified within Federal Supply Class 1005 (Guns, Through 30mm) of the Weapons group. The manufacturer of record is General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1005-01-421-9323 |
| Primary Part Number | 12373451 |
| Item Name | Support,barrel |
| FSC / FSG | 1005 / 10 — Guns, Through 30mm |
| Manufacturer | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems |
| Status | ACTIVE |
| Overall Diameter | 235.4 MILLIMETERS NOMINAL MM |
| General Characteristics Item Description | 71.0 MM ID BORE MM |
| Surface Treatment | PASSIVATE |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 12373451 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 12373451 | Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service (USA) |
| 12373451 PRIMARY | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA) |
NSN 1005-01-421-9323 is a Support,barrel, manufactured by General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems, classified under FSC 1005, Guns, Through 30mm. Status: active.
NSN 1005-01-421-9323 has 3 manufacturer part numbers on file: 12373451 (U S Army Tank Automotive Command Amsta-Im-Mm), 12373451 (Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service), 12373451 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems).
Key specifications for 12373451: Overall Diameter: 235.4 MILLIMETERS NOMINAL MM; General Characteristics Item Description: 71.0 MM ID BORE MM; Overall Length: 181.6 MILLIMETERS NOMINAL MM; Surface Treatment: PASSIVATE. 4 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.