The Isolator,radio Frequency Reflect, cataloged under National Stock Number 5985-01-444-6599, 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 Ryt Industries Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-444-6599 |
| Primary Part Number | 201591 |
| Item Name | Isolator,radio Frequency Reflect |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Ryt Industries Inc |
| Status | ACTIVE |
| Frequency Range Rating | +450.0 TO 580.0 MEGAHERTZ |
| 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 |
|---|---|
| 201591 PRIMARY | Ryt Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| G553818-1 | C/1 Advisory reference — outside the item-of-supply concept Raytheon Company Div Corp |
| G553818-2 | 7/2 Vendor item drawing reference Raytheon Company Dba Raytheon Co |
| G553818-2 | 5/9 Secondary reference Raytheon Company Div Corp |
| G553818 | D/9 Drawing number reference only Raytheon Company Dba Raytheon Co |
NSN 5985-01-444-6599 is a Isolator,radio Frequency Reflect, manufactured by Ryt Industries Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-444-6599 has 1 manufacturer part number on file: 201591 (Ryt Industries Inc).
Key specifications for 201591: Frequency Range Rating: +450.0 TO 580.0 MEGAHERTZ. 1 specification is 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 5985-01-444-6599 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.