The Breechblock, cataloged under National Stock Number 1005-01-685-2549, is classified within Federal Supply Class 1005 (Guns, Through 30mm) of the Weapons group. The manufacturer of record is Ohio Ordnance Works Inc. Government technical data includes 2 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 | 1005-01-685-2549 |
| Primary Part Number | 366-200-25 |
| Item Name | Breechblock |
| FSC / FSG | 1005 / 10 — Guns, Through 30mm |
| Manufacturer | Ohio Ordnance Works Inc |
| Status | ACTIVE |
| Model Number | M2 |
| Size Designation | .50 CALIBER |
| 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 |
|---|---|
| 366-200-25 PRIMARY | Ohio Ordnance Works Inc (USA) |
NSN 1005-01-685-2549 is a Breechblock, manufactured by Ohio Ordnance Works Inc, classified under FSC 1005, Guns, Through 30mm. Status: active.
NSN 1005-01-685-2549 has 1 manufacturer part number on file: 366-200-25 (Ohio Ordnance Works Inc).
Key specifications for 366-200-25: Model Number: M2; Size Designation: .50 CALIBER; Part Name Assigned by Controlling Agency: QCB BREECH LOCK; End Item Identification: M2, MACHINE GUN, .50 CALIBER. 2 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 1005-01-685-2549 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.