The Obturator, cataloged under National Stock Number 1095-00-417-2914, is classified within Federal Supply Class 1095 (Miscellaneous Weapons) 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 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1095-00-417-2914 |
| Primary Part Number | 11578405 |
| Item Name | Obturator |
| FSC / FSG | 1095 / 10 — Miscellaneous Weapons |
| Manufacturer | Army, United States Department of the Dba Watervliet Arsenal Div Business Development |
| Status | ACTIVE |
| Model Number | M1A1 OR M1A2 |
| Breechblock Type | ECCENTRIC SCREW |
| Outside Diameter | 6.674 INCHES NOMINAL IN |
| Size Designation | 155 MILLIMETER MM |
| Inside Diameter | 1.105 INCHES NOMINAL IN |
| Material | COPPER AND STEEL |
| Thickness | 6.674 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 11578405 PRIMARY | Army, United States Department of the Dba Watervliet Arsenal Div Business Development (USA) |
| Reference | Meaning |
|---|---|
| 1025004172914 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 1095-00-417-2914 is a Obturator, manufactured by Army, United States Department of the Dba Watervliet Arsenal Div Business Development, classified under FSC 1095, Miscellaneous Weapons. Status: active.
NSN 1095-00-417-2914 has 1 manufacturer part number on file: 11578405 (Army, United States Department of the Dba Watervliet Arsenal Div Business Development).
Key specifications for 11578405: Model Number: M1A1 OR M1A2; Breechblock Type: ECCENTRIC SCREW; Outside Diameter: 6.674 INCHES NOMINAL IN; Size Designation: 155 MILLIMETER MM. 7 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 1095-00-417-2914 has DEMIL Code B. 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.