The Gyroscope,rate, cataloged under National Stock Number 6615-01-418-0381, is classified within Federal Supply Class 6615 (Automatic Pilot Mechanisms and Airborne Gyro Components) of the Instruments and Laboratory Equipment group. The manufacturer of record is Atlantic Inertial Systems Inc Div Cheshire Division. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6615-01-418-0381 |
| Primary Part Number | 306645-1 |
| Item Name | Gyroscope,rate |
| FSC / FSG | 6615 / 66 — Automatic Pilot Mechanisms and Airborne Gyro Components |
| Manufacturer | Atlantic Inertial Systems Inc Div Cheshire Division |
| Status | ACTIVE |
| Frequency in Hertz | 400.0 |
| Current Type | AC/DC |
| Overall Diameter | 1.126 INCHES NOMINAL IN |
| Voltage in Volts | 113.0 OR 15.0 |
| Wheel Power Method | ELECTRIC |
| Elastic Restraint Application Method | ELECTRIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 306645-1 PRIMARY | Atlantic Inertial Systems Inc Div Cheshire Division (USA) |
| Reference | Meaning |
|---|---|
| 1651681-1 | 5/2 Secondary reference U.S. Government activity |
NSN 6615-01-418-0381 is a Gyroscope,rate, manufactured by Atlantic Inertial Systems Inc Div Cheshire Division, classified under FSC 6615, Automatic Pilot Mechanisms and Airborne Gyro Components. Status: active.
NSN 6615-01-418-0381 has 1 manufacturer part number on file: 306645-1 (Atlantic Inertial Systems Inc Div Cheshire Division).
Key specifications for 306645-1: Frequency in Hertz: 400.0; Current Type: AC/DC; Overall Diameter: 1.126 INCHES NOMINAL IN; Voltage in Volts: 113.0 OR 15.0. 6 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.
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.