The Isolator,radio Frequency Reflect, cataloged under National Stock Number 5985-01-549-5986, 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 Fiberplex Technologies, Llc Dba Fiberplex Technologies, Llc. 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 | 5985-01-549-5986 |
| Primary Part Number | FOI-2991-ST |
| Item Name | Isolator,radio Frequency Reflect |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Fiberplex Technologies, Llc Dba Fiberplex Technologies, Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| FOI-2991-ST PRIMARY | Fiberplex Technologies, Llc Dba Fiberplex Technologies, Llc (USA) |
NSN 5985-01-549-5986 is a Isolator,radio Frequency Reflect, manufactured by Fiberplex Technologies, Llc Dba Fiberplex Technologies, Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-549-5986 has 1 manufacturer part number on file: FOI-2991-ST (Fiberplex Technologies, Llc Dba Fiberplex Technologies, Llc).
Key specifications for FOI-2991-ST: Overall Height: 2.562 INCHES NOMINAL IN; Overall Length: 4.500 INCHES NOMINAL IN; Overall Width: 1.312 INCHES NOMINAL IN; Special Features: END ITEM: TELEPORT EHF COMM, SHELTERED.PROVIDE COMPLETE ELECTRONIC ISOLATION FOR AC/DC CONTROL SIGNALS AND RELAY CLOSURE.USES FIBER OPTIC CABLE.VOLTAGE RANGE 7V MINIMUM TO 12V MAXIMUM,INTERFACE CONNECTOR DB-25 FEMALE,OPERATING TEMPERATURE IS 0 DEGREES CELSIUS TO 50 DEGREES CELSIUS MAX. V. 0 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.