The Circulator,differential Four Por, cataloged under National Stock Number 5985-01-076-2805, 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 Merrimac Industries, Inc. Government technical data includes 1 specification, 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 | 5985-01-076-2805 |
| Primary Part Number | FCN/15189AB-1 |
| Item Name | Circulator,differential Four Por |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Merrimac Industries, Inc |
| Status | ACTIVE |
| General Characteristics Item Description | THE DIFFERENTIAL FOUR PORT CIRCULATOR IS APPLICABLE TO HIGHLY RELIABLE X-BAND TACTICAL COMMUNICATIONS EQUIPMENT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| FCN/15189AB-1 PRIMARY | Merrimac Industries, Inc (USA) |
NSN 5985-01-076-2805 is a Circulator,differential Four Por, manufactured by Merrimac Industries, Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-076-2805 has 1 manufacturer part number on file: FCN/15189AB-1 (Merrimac Industries, Inc).
Key specifications for FCN/15189AB-1: General Characteristics Item Description: THE DIFFERENTIAL FOUR PORT CIRCULATOR IS APPLICABLE TO HIGHLY RELIABLE X-BAND TACTICAL COMMUNICATIONS EQUIPMENT. 1 specification is 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.
NSN 5985-01-076-2805 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.