The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-012-6941, 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 Rlc Electronics, Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-012-6941 |
| Primary Part Number | SR-4-T-D-1 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Rlc Electronics, Inc |
| Status | ACTIVE |
| Switching Time | 15.0 MILLISECONDS MS |
| Actuator Voltage in Volts | 28.0 NOMINAL |
| Switch Return Mechanism Type | FAIL-SAFE |
| Connector End Design | FEMALE |
| Actuator Current Type and Rating in Amps | 0.15 DC NOMINAL |
| Coupling Position Quantity | 4 |
| Frequency Rating | 0.0 GIGAHERTZ MINIMUM AND 7.0 GIGAHERTZ MAXIMUM FIRST FREQUENCY VOLTAGE STANDING WAVE RATIO |
| Frequency Rating | 0.0 GIGAHERTZ MINIMUM AND 7.0 GIGAHERTZ MAXIMUM FIRST FREQUENCY INSERTION LOSS REFERENCE |
| Frequency Rating | 7.0 GIGAHERTZ MINIMUM AND 12.4 GIGAHERTZ MAXIMUM SECOND FREQUENCY INSERTION LOSS REFERENCE |
| Frequency Rating | 7.0 GIGAHERTZ MINIMUM AND 12.4 GIGAHERTZ MAXIMUM SECOND FREQUENCY VOLTAGE STANDING WAVE RATIO |
| Coaxial Connector Series Designation | TNC |
| 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 |
|---|---|
| SR-4-T-D-1 PRIMARY | Rlc Electronics, Inc (USA) |
| Reference | Meaning |
|---|---|
| SR4TDI | C/1 Advisory reference — outside the item-of-supply concept Rlc Electronics, Inc |
NSN 5985-01-012-6941 is a Switch,radio Frequency Transmiss, manufactured by Rlc Electronics, Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-012-6941 has 1 manufacturer part number on file: SR-4-T-D-1 (Rlc Electronics, Inc).
Key specifications for SR-4-T-D-1: Switching Time: 15.0 MILLISECONDS MS; Actuator Voltage in Volts: 28.0 NOMINAL; Switch Return Mechanism Type: FAIL-SAFE; Connector End Design: FEMALE. 11 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.