The Stop,breechblock, cataloged under National Stock Number 1015-01-411-9513, is classified within Federal Supply Class 1015 (Guns, 75mm Through 125mm) of the Weapons group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1015-01-411-9513 |
| Primary Part Number | 211069284 |
| Item Name | Stop,breechblock |
| FSC / FSG | 1015 / 10 — Guns, 75mm Through 125mm |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Material Document and Classification | QQ-N-281, CLASS B FED SPEC 1ST MATERIAL RESPONSE |
| Material | NICKEL ALLOY R-405 |
| 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 |
|---|---|
| 211052243 | Naval Sea Systems Command (USA) |
| 211069284 PRIMARY | Naval Sea Systems Command (USA) |
| 595-6401267 ITEM 164 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 595-6401303 | D/9 Drawing number reference only Naval Sea Systems Command |
| 595-6401267 | D/9 Drawing number reference only Naval Sea Systems Command |
| 595-6401303-1 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
NSN 1015-01-411-9513 is a Stop,breechblock, manufactured by Naval Sea Systems Command, classified under FSC 1015, Guns, 75mm Through 125mm. Status: active.
NSN 1015-01-411-9513 has 3 manufacturer part numbers on file: 211052243 (Naval Sea Systems Command), 211069284 (Naval Sea Systems Command), 595-6401267 ITEM 164 (Naval Sea Systems Command).
3 possible matches (shared part number, not a government interchangeability claim): 1015-01-411-9514, 1015-01-412-0648, 1015-01-412-0651. Verify interchangeability with system specifications before substitution.
Key specifications for 211069284: Material Document and Classification: QQ-N-281, CLASS B FED SPEC 1ST MATERIAL RESPONSE; Overall Length: 3.380 INCHES NOMINAL IN; Material: NICKEL ALLOY R-405. 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 1015-01-411-9513 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.