The Circulator,radio Frequency, cataloged under National Stock Number 5985-00-140-7407, 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. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-140-7407 |
| Primary Part Number | SM-B-684331 |
| Item Name | Circulator,radio Frequency |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Raytheon Company |
| Status | ACTIVE |
| Document Type | MILITARY SPECIFICATION |
| Connection Method | CONNECTOR ELECTRICAL |
| Impedance Rating in Ohms | 50.0 NOMINAL |
| Connector Quantity | 3 |
| Frequency Range Rating | +4500.0 TO 4900.0 MEGAHERTZ |
| Document Identification | SM-B-684331 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SM-B-684331 | Raytheon Company (USA) |
| SM-B-684331 | Ute Microwave, Inc (USA) |
| SM-B-684331 | Raytheon Company Dba Raytheon Co (USA) |
| SM-B-684331 | Eaton Corp Information Management Systems Div Microwave Components (USA) |
| Reference | Meaning |
|---|---|
| SM-B-684331 | 5/9 Secondary reference Raytheon Company Div Corp |
| SM-B-684331 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-00-140-7407 is a Circulator,radio Frequency, manufactured by Raytheon Company, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-140-7407 has 4 manufacturer part numbers on file: SM-B-684331 (Raytheon Company), SM-B-684331 (Ute Microwave, Inc), SM-B-684331 (Raytheon Company Dba Raytheon Co), SM-B-684331 (Eaton Corp Information Management Systems Div Microwave Components).
Key specifications for SM-B-684331: Document Type: MILITARY SPECIFICATION; Connection Method: CONNECTOR ELECTRICAL; Overall Length: 2.150 INCHES NOMINAL IN; Overall Width: 1.671 INCHES NOMINAL IN. 6 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.
NSN 5985-00-140-7407 has DEMIL Code B. 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.