The Gyroscope,rate, cataloged under National Stock Number 6615-01-321-3855, 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 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6615-01-321-3855 |
| Primary Part Number | 446375 |
| Item Name | Gyroscope,rate |
| FSC / FSG | 6615 / 66 — Automatic Pilot Mechanisms and Airborne Gyro Components |
| Manufacturer | U. S. Dynamics Corporation |
| Status | ACTIVE |
| Functional Description | USED TO STABILIZES THE ANTENNA BORE SIGHT FOR APPLICATIONS WHERE THE ANTENNA IS ATTACHED TO A MOVING PLATFORM |
| Wheel Power Method | ELECTRIC |
| 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 |
|---|---|
| 446375 PRIMARY | U. S. Dynamics Corporation (USA) |
| Reference | Meaning |
|---|---|
| 6499-332139-1 | 5/9 Secondary reference U.S. Government activity |
| 6499-332139-1 | 5/9 Secondary reference Textron Systems Corporation Dba Textron Systems Corp |
| 6499-332139 | D/9 Drawing number reference only Raytheon Company Div Corp |
NSN 6615-01-321-3855 is a Gyroscope,rate, manufactured by U. S. Dynamics Corporation, classified under FSC 6615, Automatic Pilot Mechanisms and Airborne Gyro Components. Status: active.
NSN 6615-01-321-3855 has 1 manufacturer part number on file: 446375 (U. S. Dynamics Corporation).
Key specifications for 446375: Overall Length: 2.450 INCHES NOMINAL IN; Functional Description: USED TO STABILIZES THE ANTENNA BORE SIGHT FOR APPLICATIONS WHERE THE ANTENNA IS ATTACHED TO A MOVING PLATFORM; End Item Identification: C135 AIRCRAFT,NAVY E6 & E7; Wheel Power Method: ELECTRIC. 2 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 6615-01-321-3855 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.