The Circulator,radio Frequency, cataloged under National Stock Number 5985-01-533-7269, 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 Frontgrade Technologies Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-533-7269 |
| Primary Part Number | 58090-671 |
| Item Name | Circulator,radio Frequency |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Frontgrade Technologies Inc. |
| 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 |
|---|---|
| 58090-671 PRIMARY | Frontgrade Technologies Inc. (USA) |
| Reference | Meaning |
|---|---|
| 58090-671 | 5/9 Secondary reference Microwave Development Company Inc Dba Microwave Development Company Inc |
NSN 5985-01-533-7269 is a Circulator,radio Frequency, manufactured by Frontgrade Technologies Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-533-7269 has 1 manufacturer part number on file: 58090-671 (Frontgrade Technologies Inc.).
Key specifications for 58090-671: Part Name Assigned by Controlling Agency: CIRCULATOR, RF; End Item Identification: T-1627B/SPQ,TRANSMITTER,RADAR. 0 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 5985-01-533-7269 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.