The Sensor,speed Log,electromagnetic, cataloged under National Stock Number 6605-01-552-1117, is classified within Federal Supply Class 6605 (Navigational Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Airmar Technology Corp Dba Airmar Technology Corp. 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6605-01-552-1117 |
| Primary Part Number | ST650 |
| Item Name | Sensor,speed Log,electromagnetic |
| FSC / FSG | 6605 / 66 — Navigational Instruments |
| Manufacturer | Airmar Technology Corp Dba Airmar Technology Corp |
| Status | ACTIVE |
| Voltage in Volts and Current Type | 5.0 DC AND 25.0 DC |
| Overall Diameter | 2.940 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| ST650 PRIMARY | Airmar Technology Corp Dba Airmar Technology Corp (USA) |
NSN 6605-01-552-1117 is a Sensor,speed Log,electromagnetic, manufactured by Airmar Technology Corp Dba Airmar Technology Corp, classified under FSC 6605, Navigational Instruments. Status: active.
NSN 6605-01-552-1117 has 1 manufacturer part number on file: ST650 (Airmar Technology Corp Dba Airmar Technology Corp).
2 possible matches (shared part number, not a government interchangeability claim): 7025-01-718-7280, 5340-01-728-1580. Verify interchangeability with system specifications before substitution.
Key specifications for ST650: Voltage in Volts and Current Type: 5.0 DC AND 25.0 DC; Overall Diameter: 2.940 INCHES NOMINAL IN; Overall Length: 5.660 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: (INAVY)SPEED SENSOR. 2 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.