The Stop,breechblock, cataloged under National Stock Number 1015-01-176-8709, is classified within Federal Supply Class 1015 (Guns, 75mm Through 125mm) of the Weapons group. The manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1015-01-176-8709 |
| Primary Part Number | 12311421 |
| Item Name | Stop,breechblock |
| FSC / FSG | 1015 / 10 — Guns, 75mm Through 125mm |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Material Document and Classification | SAE 4130 ASSN STD 1ST MATERIAL RESPONSE |
| Surface Treatment | CADMIUM AND CHROMATE |
| Material | STEEL COMP 4130 |
| 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 |
|---|---|
| 12311421 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| Reference | Meaning |
|---|---|
| 1015011768709 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 12311421 | 3/9 Design control — primary reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 1015-01-176-8709 is a Stop,breechblock, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 1015, Guns, 75mm Through 125mm. Status: active.
NSN 1015-01-176-8709 has 1 manufacturer part number on file: 12311421 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 12311421: Material Document and Classification: SAE 4130 ASSN STD 1ST MATERIAL RESPONSE; Overall Length: 16.500 INCHES NOMINAL IN; Surface Treatment: CADMIUM AND CHROMATE; End Item Identification: 2350-087-1095 XM1TANK. 3 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 1015-01-176-8709 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.