The Switch,mach Airspee, cataloged under National Stock Number 6615-01-054-2909, 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 L3harris Interstate Electronics Corporation. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6615-01-054-2909 |
| Primary Part Number | 4725B-2 |
| Item Name | Switch,mach Airspee |
| FSC / FSG | 6615 / 66 — Automatic Pilot Mechanisms and Airborne Gyro Components |
| Manufacturer | L3harris Interstate Electronics Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | 5.630 IN.LG,3.500 IN.W,3.500 IN.H; BOX SHAPED; POWER 28 VDC; 1 ELECTRICAL CONN W/ 28 PIN CONTACTS; 2 THD FLUID CONN ON FACE W/ ELECTRICAL CONN,PITOT AND STATIC PRESSURE PORTS RESPECTIVELY VDC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 4725B-2 PRIMARY | L3harris Interstate Electronics Corporation (USA) |
| Reference | Meaning |
|---|---|
| 216-37487-105 | 7/1 Vendor item drawing reference U.S. Government activity |
NSN 6615-01-054-2909 is a Switch,mach Airspee, manufactured by L3harris Interstate Electronics Corporation, classified under FSC 6615, Automatic Pilot Mechanisms and Airborne Gyro Components. Status: active.
NSN 6615-01-054-2909 has 1 manufacturer part number on file: 4725B-2 (L3harris Interstate Electronics Corporation).
Key specifications for 4725B-2: General Characteristics Item Description: 5.630 IN.LG,3.500 IN.W,3.500 IN.H; BOX SHAPED; POWER 28 VDC; 1 ELECTRICAL CONN W/ 28 PIN CONTACTS; 2 THD FLUID CONN ON FACE W/ ELECTRICAL CONN,PITOT AND STATIC PRESSURE PORTS RESPECTIVELY VDC; End Item Identification: A7-D ACFT. 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 6615-01-054-2909 has DEMIL Code B. 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.