The Modulator,radar, cataloged under National Stock Number 5840-01-090-1924, is classified within Federal Supply Class 5840 (Radar Equipment, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Teledyne Defense Electronics, Llc Dba Teledyne Microwave Solutions. Government technical data includes 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5840-01-090-1924 |
| Primary Part Number | SL-503P |
| Item Name | Modulator,radar |
| FSC / FSG | 5840 / 58 — Radar Equipment, Except Airborne |
| Manufacturer | Teledyne Defense Electronics, Llc Dba Teledyne Microwave Solutions |
| Status | ACTIVE |
| Circuit Construction Type | SOLID STATE |
| Frequency Per Channel | 0.5 GIGAHERTZ MINIMUM OPERATING CHANNEL AND 2.6 GIGAHERTZ MAXIMUM OPERATING CHANNEL |
| Criticality Code Justification | FEAT |
| Connection Type | COAXIAL RECEPTACLE LEFT SIDE |
| Connection Type | COAXIAL RECEPTACLE RIGHT SIDE |
| Connection Type | COAXIAL RECEPTACLE BOTTOM |
| Basic Shape Style | RECTANGULAR OR SQUARE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| SL-503P | Teledyne Defense Electronics, Llc Dba Teledyne Microwave Solutions (USA) |
| Reference | Meaning |
|---|---|
| SL-503P | 5/9 Secondary reference Litton Systems Inc Hyletronics Group-Airtron Div |
| SL-503P | 5/9 Secondary reference Teledyne Wireless, Inc. Dba Teledyne Microwave Div Teledyne Microwave |
| 654VE4820-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5840-01-090-1924 is a Modulator,radar, manufactured by Teledyne Defense Electronics, Llc Dba Teledyne Microwave Solutions, classified under FSC 5840, Radar Equipment, Except Airborne. Status: active.
NSN 5840-01-090-1924 has 1 manufacturer part number on file: SL-503P (Teledyne Defense Electronics, Llc Dba Teledyne Microwave Solutions).
Key specifications for SL-503P: Circuit Construction Type: SOLID STATE; Overall Height: 1.840 INCHES NOMINAL IN; Frequency Per Channel: 0.5 GIGAHERTZ MINIMUM OPERATING CHANNEL AND 2.6 GIGAHERTZ MAXIMUM OPERATING CHANNEL; Criticality Code Justification: FEAT. 7 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 5840-01-090-1924 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.