The Isolator,radio Frequency Reflect, cataloged under National Stock Number 5985-01-656-2420, 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 Microwave Development Company Inc Dba Microwave Development Company Inc. 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 | 5985-01-656-2420 |
| Primary Part Number | 57090-1425 |
| Item Name | Isolator,radio Frequency Reflect |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Microwave Development Company Inc Dba Microwave Development Company Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 57090-1425 PRIMARY | Microwave Development Company Inc Dba Microwave Development Company Inc (USA) |
| 58090-707 PRIMARY | Microwave Development Company Inc Dba Microwave Development Company Inc (USA) |
NSN 5985-01-656-2420 is a Isolator,radio Frequency Reflect, manufactured by Microwave Development Company Inc Dba Microwave Development Company Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-656-2420 has 2 manufacturer part numbers on file: 57090-1425 (Microwave Development Company Inc Dba Microwave Development Company Inc), 58090-707 (Microwave Development Company Inc Dba Microwave Development Company Inc).
Key specifications for 57090-1425: Part Name Assigned by Controlling Agency: WR90 ISOLATOR. 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 5985-01-656-2420 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.