The Circulator,radio Frequency, cataloged under National Stock Number 5985-01-547-9640, 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 Sierra Microwave Technology, Llc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-547-9640 |
| Primary Part Number | SM22658 |
| Item Name | Circulator,radio Frequency |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Sierra Microwave Technology, Llc |
| Status | ACTIVE |
| Controlling Agency | SIERRA MICROWAVE TECHNOLOGY, 1CY63 |
| Connector Quantity | 2 |
| Frequency Range Rating | +1.2 TO 1.4 GIGAHERTZ |
| Insertion Loss in Decibels | 0.4 |
| Usage Design | 3D RADAR, D BAND, LONG RANGE |
| 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 |
|---|---|
| SM22658 PRIMARY | Sierra Microwave Technology, Llc (USA) |
| GC012014DI | Milexia Iberica Sa. (ESP) |
NSN 5985-01-547-9640 is a Circulator,radio Frequency, manufactured by Sierra Microwave Technology, Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-547-9640 has 2 manufacturer part numbers on file: SM22658 (Sierra Microwave Technology, Llc), GC012014DI (Milexia Iberica Sa.).
Key specifications for SM22658: Overall Height: 1.050 INCHES MINIMUM AND 1.090 INCHES MAXIMUM IN; Controlling Agency: SIERRA MICROWAVE TECHNOLOGY, 1CY63; Overall Length: 1.050 INCHES MINIMUM AND 1.090 INCHES MAXIMUM IN; Overall Width: 0.300 INCHES NOMINAL IN. 5 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 5985-01-547-9640 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.