The Rate Switching Gyro, cataloged under National Stock Number 1285-01-194-4015, is classified within Federal Supply Class 1285 (Fire Control Radar Equipment, Except Airborne) of the Fire Control Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1285-01-194-4015 |
| Primary Part Number | 5186617-2 |
| Item Name | Rate Switching Gyro |
| FSC / FSG | 1285 / 12 — Fire Control Radar Equipment, Except Airborne |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| General Characteristics Item Description | LENGTH 4.812 IN. MAX,WIDTH 2.378 IN. MAX,HEIGHT 2.664 IN. MAX,4 MOUNTING HOLES 0.173 IN. DIA IN |
| 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 |
|---|---|
| 5186617-2 PRIMARY | Naval Sea Systems Command (USA) |
| 304935 | Atlantic Inertial Systems Inc Div Cheshire Division (USA) |
| 150814-02-01 | Ge Aviation Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| 5186617-2 | 5/9 Secondary reference Raytheon Company |
| 1285PL1390631 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 1285-01-194-4015 is a Rate Switching Gyro, manufactured by Naval Sea Systems Command, classified under FSC 1285, Fire Control Radar Equipment, Except Airborne. Status: active.
NSN 1285-01-194-4015 has 3 manufacturer part numbers on file: 5186617-2 (Naval Sea Systems Command), 304935 (Atlantic Inertial Systems Inc Div Cheshire Division), 150814-02-01 (Ge Aviation Systems Llc).
Key specifications for 5186617-2: General Characteristics Item Description: LENGTH 4.812 IN. MAX,WIDTH 2.378 IN. MAX,HEIGHT 2.664 IN. MAX,4 MOUNTING HOLES 0.173 IN. DIA IN. 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 1285-01-194-4015 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.