The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-021-4685, 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 Northrop Grumman Systems Corporation. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-021-4685 |
| Primary Part Number | GS835HR1 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Voltage Standing Wave Ratio | 1.26 SINGLE |
| Switch Type | TRANSFER |
| Insertion Loss in Decibels | 0.28 SINGLE |
| Frequency Rating | 500.0 MEGAHERTZ NOMINAL SINGLE FREQUENCY INSERTION LOSS REFERENCE |
| Frequency Rating | 500.0 MEGAHERTZ NOMINAL SINGLE FREQUENCY RF POWER HANDLING |
| Frequency Rating | 500.0 MEGAHERTZ NOMINAL SINGLE FREQUENCY VOLTAGE STANDING WAVE RATIO |
| 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 |
|---|---|
| GS835HR1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 42-28 W/DIODE SUPPR | 5/9 Secondary reference Datron the Instruments Inc |
NSN 5985-01-021-4685 is a Switch,radio Frequency Transmiss, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-021-4685 has 1 manufacturer part number on file: GS835HR1 (Northrop Grumman Systems Corporation).
Key specifications for GS835HR1: Voltage Standing Wave Ratio: 1.26 SINGLE; Switch Type: TRANSFER; Insertion Loss in Decibels: 0.28 SINGLE; Special Features: PROGRAMMABLE TYPE SWITCH;CHARACTERISTIC IN OHMS:50.0. 6 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.