The Barrel,automatic Gun, cataloged under National Stock Number 1010-00-945-9986, is classified within Federal Supply Class 1010 (Guns, Over 30mm up to 75mm) of the Weapons group. The manufacturer of record is Army, United States Department of the Dba Watervliet Arsenal Div Business Development. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1010-00-945-9986 |
| Primary Part Number | 7308281 |
| Item Name | Barrel,automatic Gun |
| FSC / FSG | 1010 / 10 — Guns, Over 30mm up to 75mm |
| Manufacturer | Army, United States Department of the Dba Watervliet Arsenal Div Business Development |
| Status | ACTIVE |
| Caliber Quantity Per Rifling Turn | 1 TURN IN 45.000 CALIBERS TO 1 TURN IN 30.000 CALIBERS |
| FSC Application Data | CANNON,40MM,DUAL AUTOMATIC GUN MM |
| Surface Treatment Document and Classification | TT-E-485,TYPE 4,X24087 FED SPEC SINGLE TREATMENT RESPONSE INSIDE |
| Rifle Bore Groove Quantity | 16 |
| Weapon Model Number | M2A1 |
| Size Designation | 40 MILLIMETER MM |
| Weapon Size Designation | 40 MILLIMETER MM |
| Land Width | 0.089 INCHES NOMINAL IN |
| Surface Treatment | PHOSPHATE MANGANESE LOCATION NOT OTHERWISE SPECIFIED |
| Surface Treatment | ENAMEL SEMIGLOSS INSIDE |
| Material | STEEL |
| Groove Width | 0.208 INCHES MINIMUM AND 0.232 INCHES MAXIMUM IN |
| Rifling Direction | RIGHT-HAND |
| 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 |
|---|---|
| 7308281 PRIMARY | Army, United States Department of the Dba Watervliet Arsenal Div Business Development (USA) |
| Reference | Meaning |
|---|---|
| 200820154-01 | 5/2 Secondary reference U.S. Government activity |
NSN 1010-00-945-9986 is a Barrel,automatic Gun, manufactured by Army, United States Department of the Dba Watervliet Arsenal Div Business Development, classified under FSC 1010, Guns, Over 30mm up to 75mm. Status: active.
NSN 1010-00-945-9986 has 1 manufacturer part number on file: 7308281 (Army, United States Department of the Dba Watervliet Arsenal Div Business Development).
Key specifications for 7308281: Caliber Quantity Per Rifling Turn: 1 TURN IN 45.000 CALIBERS TO 1 TURN IN 30.000 CALIBERS; FSC Application Data: CANNON,40MM,DUAL AUTOMATIC GUN MM; Surface Treatment Document and Classification: TT-E-485,TYPE 4,X24087 FED SPEC SINGLE TREATMENT RESPONSE INSIDE; Rifle Bore Groove Quantity: 16. 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.
NSN 1010-00-945-9986 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.