The Recoil Mechanism,20 Millimeter a, cataloged under National Stock Number 1005-01-212-6509, is classified within Federal Supply Class 1005 (Guns, Through 30mm) of the Weapons group. The manufacturer of record is Naval Sea Systems Command. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Recoil Mechanism,20 Millimeter a |
| FSC / FSG | 1005 — Guns, Through 30mm (FSG 10) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711) |
| Parameter | Value |
|---|---|
| NSN | 1005-01-212-6509 |
| Primary Part Number | 5191564 |
| Item Name | Recoil Mechanism,20 Millimeter a |
| FSC / FSG | 1005 / 10 — Guns, Through 30mm |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 5191564 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5191564 | 5/9 Secondary reference Raytheon Company |
| 1005PL0959537 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 1005-01-212-6509 is a Recoil Mechanism,20 Millimeter a, manufactured by Naval Sea Systems Command, classified under FSC 1005, Guns, Through 30mm. Status: active.
NSN 1005-01-212-6509 has 1 manufacturer part number on file: 5191564 (Naval Sea Systems Command).
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 1005-01-212-6509 has DEMIL Code F. 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.