The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-426-8643, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is The Boeing Company Div Legacy Corinth Bgrc. Government technical data includes 3 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-426-8643 |
| Primary Part Number | 4000-40260-01 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | The Boeing Company Div Legacy Corinth Bgrc |
| Status | ACTIVE |
| Voltage Standing Wave Ratio | 1.25 SINGLE |
| Frequency Rating | 20.0 MEGAHERTZ MINIMUM AND 1000.0 MEGAHERTZ MAXIMUM SINGLE FREQUENCY OPERATING |
| Rf Power Handling Capability | 10.0 DECIBELS PEAK SINGLE |
| 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 |
|---|---|
| 4000-40260 | The Boeing Company Div Legacy Corinth Bgrc (USA) |
| 4000-40260-01 PRIMARY | The Boeing Company Div Legacy Corinth Bgrc (USA) |
NSN 5985-01-426-8643 is a Switch,radio Frequency Transmiss, manufactured by The Boeing Company Div Legacy Corinth Bgrc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-426-8643 has 2 manufacturer part numbers on file: 4000-40260 (The Boeing Company Div Legacy Corinth Bgrc), 4000-40260-01 (The Boeing Company Div Legacy Corinth Bgrc).
Key specifications for 4000-40260-01: Voltage Standing Wave Ratio: 1.25 SINGLE; Special Features: BUILT-IN DRIVER; INSERTION LOSS, 20 TO 200 MHZ IS 0.8 DB MAX., 200 TO 500 MHZ IS 1.2 DB MAXIMUM, 500 TO 750 MHZ IS 1.6 DB MAXIMUM, 750 TO 1000 MHZ IS 2.0 DB MAXIMUM; IMPEDANCE IS 50 OHMS MHz; Frequency Rating: 20.0 MEGAHERTZ MINIMUM AND 1000.0 MEGAHERTZ MAXIMUM SINGLE FREQUENCY OPERATING; Rf Power Handling Capability: 10.0 DECIBELS PEAK SINGLE. 3 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.