The Transmitter,special, cataloged under National Stock Number 4920-00-437-3971, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-00-437-3971 |
| Item Name | Transmitter,special |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Status | ACTIVE |
| General Characteristics Item Description | 2.250 IN. LG,EXCLUDING PLUG; 1.75 IN. W; 3 MTG HOLES FOR N0. 6 SCREWS; 26 VOLTS AC,400 HZ,SINGLE PHASE,1.2 RATION,ROTATION CCW IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 23104-2BB | 3/2 Design control — primary reference U.S. Government activity |
| 591AS215-1 | 5/9 Secondary reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 21C1706-02 | 5/9 Secondary reference U.S. Government activity |
| 23104-2BB | 5/9 Secondary reference Smiths Detection Inc. Dba Smiths Detection Inc Casc |
NSN 4920-00-437-3971 is a Transmitter,special, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
Key specifications for 4920-00-437-3971: General Characteristics Item Description: 2.250 IN. LG,EXCLUDING PLUG; 1.75 IN. W; 3 MTG HOLES FOR N0. 6 SCREWS; 26 VOLTS AC,400 HZ,SINGLE PHASE,1.2 RATION,ROTATION CCW IN. 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.