The Stop,breechblock, cataloged under National Stock Number 1015-01-340-7870, is classified within Federal Supply Class 1015 (Guns, 75mm Through 125mm) 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 1 specification, 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 | 1015-01-340-7870 |
| Primary Part Number | 12591513 |
| Item Name | Stop,breechblock |
| FSC / FSG | 1015 / 10 — Guns, 75mm Through 125mm |
| Manufacturer | Army, United States Department of the Dba Watervliet Arsenal Div Business Development |
| Status | ACTIVE |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 12591513 PRIMARY | Army, United States Department of the Dba Watervliet Arsenal Div Business Development (USA) |
NSN 1015-01-340-7870 is a Stop,breechblock, manufactured by Army, United States Department of the Dba Watervliet Arsenal Div Business Development, classified under FSC 1015, Guns, 75mm Through 125mm. Status: active.
NSN 1015-01-340-7870 has 1 manufacturer part number on file: 12591513 (Army, United States Department of the Dba Watervliet Arsenal Div Business Development).
Key specifications for 12591513: Overall Length: 2.830 INCHES MINIMUM AND 2.850 INCHES MAXIMUM IN; Special Features: 2 MOUNTING HOLES:.250-20 UNC-2B; End Item Identification: USED ON ABF334 AR5; Material: STEEL. 1 specification is 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 1015-01-340-7870 has DEMIL Code Q. 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.