The Circulator,radio Frequency, cataloged under National Stock Number 5985-01-157-9909, 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 Div Rmd Strategic. Government technical data includes 8 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-157-9909 |
| Primary Part Number | 712449-1 |
| Item Name | Circulator,radio Frequency |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Raytheon Company Div Rmd Strategic |
| Status | ACTIVE |
| Controlling Agency | HUGHES AIRCRAFT |
| Connection Method | CONNECTOR RECEPTACLE |
| Trade Designation | CONNECTOR,RECEPTACLE |
| Identifying Number | SMA TYPE NO. |
| Impedance Rating in Ohms | 50.0 NOMINAL |
| Connector Quantity | 4 |
| Frequency Range Rating | +0.960 TO 1.215 GIGAHERTZ |
| Insertion Loss in Decibels | 0.8 |
| 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 |
|---|---|
| 712449-1 PRIMARY | Raytheon Company Div Rmd Strategic (USA) |
| AMF-5551 | Frequency Electronics Inc (USA) |
| AMF5551-1 | Frequency Electronics Inc (USA) |
| C-0S24T-1A | Teledyne Defense Electronics, Llc Dba Teledyne Microwave Solutions (USA) |
| Reference | Meaning |
|---|---|
| 1011FZ261 | 5/9 Secondary reference Crane Electronics, Inc. Dba Stc Microwave Systems Div Signal Technology Corporation |
| 4JX-8328-L | 5/9 Secondary reference Crane Electronics, Inc. Dba Stc Microwave Systems Div Signal Technology Corporation |
| AMF5551-1 | 5/9 Secondary reference Fei Microwave Inc |
| AMF-5551 | 5/9 Secondary reference Fei Microwave Inc |
NSN 5985-01-157-9909 is a Circulator,radio Frequency, manufactured by Raytheon Company Div Rmd Strategic, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-157-9909 has 4 manufacturer part numbers on file: 712449-1 (Raytheon Company Div Rmd Strategic), AMF-5551 (Frequency Electronics Inc), AMF5551-1 (Frequency Electronics Inc), C-0S24T-1A (Teledyne Defense Electronics, Llc Dba Teledyne Microwave Solutions).
1 possible match (shared part number, not a government interchangeability claim): 5999-01-441-7362. Verify interchangeability with system specifications before substitution.
Key specifications for 712449-1: Overall Height: 0.750 INCHES NOMINAL IN; Controlling Agency: HUGHES AIRCRAFT; Connection Method: CONNECTOR RECEPTACLE; Trade Designation: CONNECTOR,RECEPTACLE. 8 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 5985-01-157-9909 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.