The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-305-2990, 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 Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc. Government technical data includes 27 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-305-2990 |
| Primary Part Number | D1-413M30LL |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc |
| Status | ACTIVE |
| Switching Time | 20.0 MILLISECONDS MS |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) |
| Body Style | RECTANGULAR |
| Mounting Facility Pattern | TWO POSITION IN-LINE SINGLE MOUNTING FACILITY PATTERN |
| Actuator Voltage in Volts | 24.0 MINIMUM AND 30.0 MAXIMUM |
| Precious Material | GOLD |
| Voltage Standing Wave Ratio | 1.40 THIRD |
| Voltage Standing Wave Ratio | 1.30 SECOND |
| Voltage Standing Wave Ratio | 1.20 FIRST |
| Voltage Standing Wave Ratio | 1.50 FOURTH |
| Supplementary Features | OPER LIFE 1000000 CYCLES MIN |
| Unthreaded Mounting Hole Diameter | 0.116 INCHES NOMINAL IN |
| Pole Quantity | 1 |
| Connector End Design | FEMALE |
| Actuator Current Type and Rating in Amps | 0.16 DC MAXIMUM |
| Coupling Position Quantity | 3 |
| Minimum Crosstalk Rating in Decibels | 60.0 SINGLE |
| Switch Type | NONTRANSFER |
| Insertion Loss in Decibels | 0.20 FIRST |
| Insertion Loss in Decibels | 0.40 THIRD |
| Insertion Loss in Decibels | 0.30 SECOND |
| Insertion Loss in Decibels | 0.50 FOURTH |
| Actuator Operating Method | SOLID STATE |
| Surface Treatment | NICKEL BODY OUTSIDE SURFACES |
| Surface Treatment | GOLD CONTACT(S) OUTSIDE SURFACES |
| Precious Material and Location | CONTACT SURFACES GOLD |
| Frequency Rating | 8.0 GIGAHERTZ MINIMUM AND 12.4 GIGAHERTZ MAXIMUM THIRD 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 |
|---|---|
| D1-413M30LL | Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc (USA) |
| S4553A | Rlc Electronics, Inc (USA) |
| Reference | Meaning |
|---|---|
| ES6586-02 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| ES6586-02 | 7/9 Vendor item drawing reference Drs Sustainment Systems, Inc. |
| ES6586-01 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| ES6586-01 | 3/9 Design control — primary reference Drs Sustainment Systems, Inc. |
| S4802 | C/1 Advisory reference — outside the item-of-supply concept Rlc Electronics, Inc |
NSN 5985-01-305-2990 is a Switch,radio Frequency Transmiss, manufactured by Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-305-2990 has 2 manufacturer part numbers on file: D1-413M30LL (Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc), S4553A (Rlc Electronics, Inc).
Key specifications for D1-413M30LL: Switching Time: 20.0 MILLISECONDS MS; Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S); Overall Height: 0.499 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN; Body Style: RECTANGULAR. 27 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 5985-01-305-2990 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.