The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-007-2311, 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 K&l Microwave Llc. Government technical data includes 26 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-007-2311 |
| Primary Part Number | 135C00100 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | K&l Microwave Llc |
| Status | ACTIVE |
| Switching Time | 20.0 MILLISECONDS MS |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Body Style | IRREGULAR |
| Mounting Facility Pattern | FOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY PATTERN |
| Actuator Voltage in Volts | 20.0 MINIMUM AND 30.0 MAXIMUM |
| Voltage Standing Wave Ratio | 1.40 SECOND |
| Voltage Standing Wave Ratio | 1.50 THIRD |
| Voltage Standing Wave Ratio | 1.30 FIRST |
| Unthreaded Mounting Hole Diameter | 0.187 INCHES NOMINAL IN |
| Pole Quantity | 1 |
| Longest Vertical Distance Between Mounting Centers | 3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY PATTERN IN |
| Switch Return Mechanism Type | FAIL-SAFE |
| Connector End Design | FEMALE |
| Actuator Current Type and Rating in Amps | 0.170 DC MAXIMUM |
| Coupling Position Quantity | 6 |
| Minimum Crosstalk Rating in Decibels | 80.0 FIRST |
| Minimum Crosstalk Rating in Decibels | 60.0 SECOND |
| Switch Type | NONTRANSFER |
| Insertion Loss in Decibels | 0.40 SECOND |
| Insertion Loss in Decibels | 0.50 THIRD |
| Insertion Loss in Decibels | 0.25 FIRST |
| Actuator Operating Method | RELAY |
| Surface Treatment | PAINT BODY OUTSIDE SURFACES |
| Surface Treatment | NICKEL CONNECTOR(S) ALL SURFACES |
| Surface Treatment | PAINT COVER ALL SURFACES |
| Operating Temp Range | -54.0 TO 85.0 CELSIUS DEGC |
| 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 |
|---|---|
| 135C00100 PRIMARY | K&l Microwave Llc (USA) |
| Reference | Meaning |
|---|---|
| 135C00100 | 5/9 Secondary reference U.S. Government activity |
| 135C00000 | 5/9 Secondary reference U.S. Government activity |
| 135C00000 | 5/1 Secondary reference K&l Microwave Llc |
NSN 5985-01-007-2311 is a Switch,radio Frequency Transmiss, manufactured by K&l Microwave Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-007-2311 has 1 manufacturer part number on file: 135C00100 (K&l Microwave Llc).
Key specifications for 135C00100: Switching Time: 20.0 MILLISECONDS MS; Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Overall Height: 3.500 INCHES NOMINAL IN; Body Style: IRREGULAR. 26 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.