The Circulator,radio Frequency, cataloged under National Stock Number 5985-01-244-1543, 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 Raytheon Company Dba Raytheon Co. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Circulator,radio Frequency |
| FSC / FSG | 5985 — Antennas, Waveguides, and Related Equipment (FSG 59) |
| Manufacturers | Raytheon Company Dba Raytheon Co (CAGE 4U884); Frontgrade Technologies Inc. (CAGE 66544) |
| Parameter | Value |
|---|---|
| NSN | 5985-01-244-1543 |
| Primary Part Number | 3683431 |
| Item Name | Circulator,radio Frequency |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3683431 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| 58090-559 PRIMARY | Frontgrade Technologies Inc. (USA) |
| Reference | Meaning |
|---|---|
| H970074-001B | 5/9 Secondary reference Microwave Engineering Corporation |
| H970074-002B | 7/2 Vendor item drawing reference Raytheon Company Dba Raytheon Co |
| H970074-001B | 5/9 Secondary reference Raytheon Company Dba Raytheon Co |
NSN 5985-01-244-1543 is a Circulator,radio Frequency, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-244-1543 has 2 manufacturer part numbers on file: 3683431 (Raytheon Company Dba Raytheon Co), 58090-559 (Frontgrade Technologies Inc.).
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 5985-01-244-1543 has DEMIL Code Q. 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.