The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-664-0346, 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 Scientific Components Corp Dba Mini-Circuits. Government technical data includes 2 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-664-0346 |
| Primary Part Number | USB-1SP4T-A18 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Scientific Components Corp Dba Mini-Circuits |
| Status | ACTIVE |
| Frequency Rating | 18.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY OPERATING |
| Rf Maximum Voltage Rating | 24.0 VOLTS RMS |
| 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 |
|---|---|
| USB-1SP4T-A18 PRIMARY | Scientific Components Corp Dba Mini-Circuits (USA) |
NSN 5985-01-664-0346 is a Switch,radio Frequency Transmiss, manufactured by Scientific Components Corp Dba Mini-Circuits, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-664-0346 has 1 manufacturer part number on file: USB-1SP4T-A18 (Scientific Components Corp Dba Mini-Circuits).
Key specifications for USB-1SP4T-A18: Special Features: CAPABLE OF 100 MILLION CYCLES; EXTREMELY LOW LOSS, 0.2DB TYPICAL;HIGH ON/OFF ISOLATION, 85DB TYPICAL;EASY TO CONTROL USB INTERFACE;IDEAL FOR ANY TEST LAB APPLICATION;CONSTRUCTED IN A METAL CASE (4.5" X 6.0" X 2.25") WITH 5 SMA(F) CONNECTORS DB; Frequency Rating: 18.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY OPERATING; Part Name Assigned by Controlling Agency: SWITCH MATRIX; Rf Maximum Voltage Rating: 24.0 VOLTS RMS. 2 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.