The Gyroscope,rate, cataloged under National Stock Number 6615-01-256-0637, 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 U. S. Dynamics Corporation. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6615-01-256-0637 |
| Primary Part Number | 446740 |
| Item Name | Gyroscope,rate |
| FSC / FSG | 6615 / 66 — Automatic Pilot Mechanisms and Airborne Gyro Components |
| Manufacturer | U. S. Dynamics Corporation |
| Status | ACTIVE |
| 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 |
|---|---|
| 446740 PRIMARY | U. S. Dynamics Corporation (USA) |
| 563873-3 | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 3153207-3 | 7/2 Vendor item drawing reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 6615PL1286887 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 563873-3 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
NSN 6615-01-256-0637 is a Gyroscope,rate, manufactured by U. S. Dynamics Corporation, classified under FSC 6615, Automatic Pilot Mechanisms and Airborne Gyro Components. Status: active.
NSN 6615-01-256-0637 has 2 manufacturer part numbers on file: 446740 (U. S. Dynamics Corporation), 563873-3 (Lockheed Martin Corporation Div Rms).
Key specifications for 446740: Criticality Code Justification: FEAT; Special Features: CRITICAL CODED TO INSURE SOURCE INSPECTION WILL BE PERFORMED BY MANUFACTURER PRIOR TO RECEIPT BY DOD COMPONENTS. PART IS USED IN SUPPORT OF VITAL MILITARY HARDWARE NECESSARY TO SUSTAIN THE SUCCESSFUL MISSION OF THE SHIPS, SUBMARINES, AND SHORE STATIONS OF THE US NAVY. CRITICAL FEATURES INCLUDE, BUT NOT LIMITED TO: DIMENSIONS, TOLERANCES/CLEARANCES, ELECTRONIC CHARACTERISTICS, AND METALLURGICAL PROPERTIES WILL BE SPECIFIED FOR GOVERNMENT QUALITY ASSURANCE REPRESENTATIVES TO INSURE COMPLIANCE. 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 6615-01-256-0637 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.