The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-213-8531, 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 Dba Electronic Systems. Government technical data includes 30 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-01-213-8531 |
| Primary Part Number | 7489A45H01 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Northrop Grumman Systems Corporation Dba Electronic Systems |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S)2 UNTHREADED HOLE(S) |
| Body Style | RECTANGULARRECTANGULAR |
| Mounting Facility Pattern | TWO POSITION IN-LINE SINGLE MOUNTING FACILITY PATTERNTWO POSITION IN-LINE SINGLE MOUNTING FACILITY PATTERN |
| Precious Material | GOLD |
| Voltage Standing Wave Ratio | 1.40 THIRD1.40 THIRD |
| Voltage Standing Wave Ratio | 1.50 FOURTH1.50 FOURTH |
| Voltage Standing Wave Ratio | 1.30 SECOND1.30 SECOND |
| Voltage Standing Wave Ratio | 1.20 FIRST1.20 FIRST |
| Unthreaded Mounting Hole Diameter | 0.116 INCHES NOMINAL0.116 INCHES NOMINAL IN |
| Pole Quantity | 11 |
| Switch Return Mechanism Type | FAIL-SAFEFAIL-SAFE |
| Connector End Design | FEMALEFEMALE |
| Minimum Crosstalk Rating in Decibels | 60.0 SINGLE60.0 SINGLE |
| Switch Type | NONTRANSFERNONTRANSFER |
| Insertion Loss in Decibels | 0.40 THIRD0.40 THIRD |
| Insertion Loss in Decibels | 0.30 SECOND0.30 SECOND |
| Insertion Loss in Decibels | 0.50 FOURTH0.50 FOURTH |
| Insertion Loss in Decibels | 0.20 FIRST0.20 FIRST |
| Actuator Operating Method | SOLID STATESOLID STATE |
| Surface Treatment | NICKEL BODY OUTSIDE SURFACES |
| Surface Treatment | GOLD CONTACT(S) OUTSIDE SURFACES |
| Precious Material and Location | CONTACT SURFACES GOLD |
| Frequency Rating | 3.0 GIGAHERTZ MINIMUM AND 3.0 GIGAHERTZ MINIMUM AND 8.0 GIGAHERTZ MAXIMUM SECOND FREQUENCY INSERTION LOSS REFERENCE8.0 GIGAHERTZ MAXIMUM SECOND FREQUENCY INSERTION LOSS REFERENCE |
| Frequency Rating | 8.0 GIGAHERTZ MINIMUM AND 8.0 GIGAHERTZ MINIMUM AND 12.4 GIGAHERTZ MAXIMUM THIRD FREQUENCY VOLTAGE STANDING WAVE RATIO12.4 GIGAHERTZ MAXIMUM THIRD FREQUENCY VOLTAGE STANDING WAVE RATIO |
| Frequency Rating | 0.0 GIGAHERTZ MINIMUM AND 0.0 GIGAHERTZ MINIMUM AND 3.0 GIGAHERTZ MAXIMUM FIRST FREQUENCY VOLTAGE STANDING WAVE RATIO3.0 GIGAHERTZ MAXIMUM FIRST FREQUENCY VOLTAGE STANDING WAVE RATIO |
| Frequency Rating | 12.4 GIGAHERTZ MINIMUM AND 12.4 GIGAHERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM FOURTH FREQUENCY VOLTAGE STANDING WAVE RATIO18.0 GIGAHERTZ MAXIMUM FOURTH FREQUENCY VOLTAGE STANDING WAVE RATIO |
| Frequency Rating | 8.0 GIGAHERTZ MINIMUM AND 8.0 GIGAHERTZ MINIMUM AND 12.4 GIGAHERTZ MAXIMUM THIRD FREQUENCY INSERTION LOSS REFERENCE12.4 GIGAHERTZ MAXIMUM THIRD FREQUENCY INSERTION LOSS REFERENCE |
| Frequency Rating | 3.0 GIGAHERTZ MINIMUM AND 3.0 GIGAHERTZ MINIMUM AND 8.0 GIGAHERTZ MAXIMUM SECOND FREQUENCY VOLTAGE STANDING WAVE RATIO8.0 GIGAHERTZ MAXIMUM SECOND FREQUENCY VOLTAGE STANDING WAVE RATIO |
| Frequency Rating | 0.0 GIGAHERTZ MINIMUM AND 0.0 GIGAHERTZ MINIMUM AND 3.0 GIGAHERTZ MAXIMUM FIRST FREQUENCY INSERTION LOSS REFERENCE3.0 GIGAHERTZ MAXIMUM FIRST FREQUENCY INSERTION LOSS REFERENCE |
| Frequency Rating | 12.4 GIGAHERTZ MINIMUM AND 12.4 GIGAHERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM FOURTH FREQUENCY INSERTION LOSS REFERENCE18.0 GIGAHERTZ MAXIMUM FOURTH FREQUENCY INSERTION LOSS REFERENCE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| MS 13035 | Dow-Key Microwave Llc (USA) |
| 7489A45H01 PRIMARY | Northrop Grumman Systems Corporation Dba Electronic Systems (USA) |
| D1-433Q30 | Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc (USA) |
| Reference | Meaning |
|---|---|
| MS 13035 | 5/9 Secondary reference K&l Microwave Llc |
| 8021-A23-A3C-4A0 | 5/2 Secondary reference U.S. Government activity |
| 8021-A23-A3C-4A0 | 5/9 Secondary reference Stellant Systems Inc |
NSN 5985-01-213-8531 is a Switch,radio Frequency Transmiss, manufactured by Northrop Grumman Systems Corporation Dba Electronic Systems, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-213-8531 has 3 manufacturer part numbers on file: MS 13035 (Dow-Key Microwave Llc), 7489A45H01 (Northrop Grumman Systems Corporation Dba Electronic Systems), D1-433Q30 (Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc).
Key specifications for 7489A45H01: Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S)2 UNTHREADED HOLE(S); Body Style: RECTANGULARRECTANGULAR; Mounting Facility Pattern: TWO POSITION IN-LINE SINGLE MOUNTING FACILITY PATTERNTWO POSITION IN-LINE SINGLE MOUNTING FACILITY PATTERN; Precious Material: GOLD. 30 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.
NSN 5985-01-213-8531 has DEMIL Code B. 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.