The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-208-9274, 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 Smiths Interconnect Americas, Inc.. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-208-9274 |
| Primary Part Number | ES-387 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Smiths Interconnect Americas, Inc. |
| Status | ACTIVE |
| Body Style | IRREGULAR |
| Mounting Facility Pattern | EIGHT POSITION RECTANGULAR SINGLE MOUNTING FACILITY PATTERN |
| Longest Vertical Distance Between Mounting Centers | 0.900 INCHES NOMINAL SINGLE MOUNTING FACILITY PATTERN IN |
| Frequency Rating | 1000.0 MEGAHERTZ MAXIMUM SINGLE FREQUENCY OPERATING |
| Longest Horizontal Distance Between Mounting Centers | 2.130 INCHES NOMINAL SINGLE MOUNTING FACILITY PATTERN IN |
| 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 |
|---|---|
| ES-387 PRIMARY | Smiths Interconnect Americas, Inc. (USA) |
| 43553-695-00-8 | Bae Systems Maritime Services Limited (GBR) |
| Reference | Meaning |
|---|---|
| 43553-695-00-8 | 5/9 Secondary reference British Aerospace Defence Systems Ltd T/a Bae Systems |
NSN 5985-01-208-9274 is a Switch,radio Frequency Transmiss, manufactured by Smiths Interconnect Americas, Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-208-9274 has 2 manufacturer part numbers on file: ES-387 (Smiths Interconnect Americas, Inc.), 43553-695-00-8 (Bae Systems Maritime Services Limited).
Key specifications for ES-387: Overall Height: 1.250 INCHES NOMINAL IN; Body Style: IRREGULAR; Mounting Facility Pattern: EIGHT POSITION RECTANGULAR SINGLE MOUNTING FACILITY PATTERN; Longest Vertical Distance Between Mounting Centers: 0.900 INCHES NOMINAL SINGLE MOUNTING FACILITY PATTERN IN. 5 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.