The Restrictor Assembly, cataloged under National Stock Number 1045-01-501-1024, is classified within Federal Supply Class 1045 (Launchers, Torpedo and Depth Charge) 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1045-01-501-1024 |
| Primary Part Number | 751-6402984-AY99 |
| Item Name | Restrictor Assembly |
| FSC / FSG | 1045 / 10 — Launchers, Torpedo and Depth Charge |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Special Test Features | HOLDS WELDMENT CHOKES |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 211096534 | Naval Sea Systems Command (USA) |
| 751-6402407-73 | Naval Sea Systems Command (USA) |
| 751-6402984-AY99 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 751-6402984 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 1045-01-501-1024 is a Restrictor Assembly, manufactured by Naval Sea Systems Command, classified under FSC 1045, Launchers, Torpedo and Depth Charge. Status: active.
NSN 1045-01-501-1024 has 3 manufacturer part numbers on file: 211096534 (Naval Sea Systems Command), 751-6402407-73 (Naval Sea Systems Command), 751-6402984-AY99 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 1090-01-501-1028. Verify interchangeability with system specifications before substitution.
Key specifications for 751-6402984-AY99: Special Test Features: HOLDS WELDMENT CHOKES; Criticality Code Justification: FEAT; Overall Length: 7.758 INCHES NOMINAL IN; Overall Width: 4.060 INCHES NOMINAL IN. 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 1045-01-501-1024 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.