The Barrel,spotting Gun, cataloged under National Stock Number 1005-00-690-4002, is classified within Federal Supply Class 1005 (Guns, Through 30mm) of the Weapons group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1005-00-690-4002 |
| Primary Part Number | 7790489 |
| Item Name | Barrel,spotting Gun |
| FSC / FSG | 1005 / 10 — Guns, Through 30mm |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Caliber Quantity Per Rifling Turn | 1 TURN IN 24.000 CAL |
| FSC Application Data | GUN,SPOTTING,CAL..50 |
| Rifle Bore Groove Quantity | 8 |
| Material Document and Classification | MIL-S-11595, COMP 4150 MIL SPEC SINGLE MATERIAL RESPONSE |
| Size Designation | .50 CALIBER |
| Land Width | 0.044 INCHES NOMINAL IN |
| Surface Treatment | PHOSPHATE MANGANESE |
| Material | STEEL COMP 4150 |
| Groove Width | 0.135 INCHES MINIMUM AND 0.140 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 |
|---|---|
| 7790489 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 1005-00-690-4002 is a Barrel,spotting Gun, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 1005, Guns, Through 30mm. Status: active.
NSN 1005-00-690-4002 has 1 manufacturer part number on file: 7790489 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 7790489: Caliber Quantity Per Rifling Turn: 1 TURN IN 24.000 CAL; FSC Application Data: GUN,SPOTTING,CAL..50; Rifle Bore Groove Quantity: 8; Material Document and Classification: MIL-S-11595, COMP 4150 MIL SPEC SINGLE MATERIAL RESPONSE. 10 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 1005-00-690-4002 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.