The Fire Control System, cataloged under National Stock Number 1220-01-693-4238, is classified within Federal Supply Class 1220 (Fire Control Computing Sights and Devices) of the Fire Control Equipment 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 1220-01-693-4238 |
| Primary Part Number | 8566406-1 |
| Item Name | Fire Control System |
| FSC / FSG | 1220 / 12 — Fire Control Computing Sights and Devices |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8566406-1 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 8566406/SHEET 1 TABLE 1 DASH -1 | D/9 Drawing number reference only Naval Sea Systems Command |
| S61T0000C29 | 3/1 Design control — primary reference Naval Sea Systems Command |
NSN 1220-01-693-4238 is a Fire Control System, manufactured by Naval Sea Systems Command, classified under FSC 1220, Fire Control Computing Sights and Devices. Status: active.
NSN 1220-01-693-4238 has 1 manufacturer part number on file: 8566406-1 (Naval Sea Systems Command).
Key specifications for 8566406-1: Part Name Assigned by Controlling Agency: FIRE CONTROL SYSTEM. 0 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 1220-01-693-4238 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.