The Generator,ultrasonic, cataloged under National Stock Number 4940-01-337-5343, is classified within Federal Supply Class 4940 (Miscellaneous Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Sonix IV. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4940-01-337-5343 |
| Primary Part Number | GU-301-DR |
| Item Name | Generator,ultrasonic |
| FSC / FSG | 4940 / 49 — Miscellaneous Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Sonix IV |
| Status | ACTIVE |
| General Characteristics Item Description | UNIT IS AIR COOLED,INTERNAL FAN,INPUT 240V,1 PH,60 HZ;OUTPUT 350 WATTS,25KHZ KHz |
| 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 |
|---|---|
| GU-301-DR PRIMARY | Sonix IV (USA) |
| 1185AS143-1 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 1185AS143 | 7/1 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 4940-01-337-5343 is a Generator,ultrasonic, manufactured by Sonix IV, classified under FSC 4940, Miscellaneous Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4940-01-337-5343 has 2 manufacturer part numbers on file: GU-301-DR (Sonix IV), 1185AS143-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for GU-301-DR: General Characteristics Item Description: UNIT IS AIR COOLED,INTERNAL FAN,INPUT 240V,1 PH,60 HZ;OUTPUT 350 WATTS,25KHZ KHz. 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.
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.