The Isolator,radio Frequency Reflect, cataloged under National Stock Number 5985-01-250-1668, 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 Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-250-1668 |
| Primary Part Number | 1206950 |
| Item Name | Isolator,radio Frequency Reflect |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Frequency Range Rating | +10.25 TO 10.50 GIGAHERTZ |
| 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 |
|---|---|
| 5942711 | Merrimac Industries, Inc (USA) |
| 1206950 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 143X1 | Junction Devices Inc (USA) |
| 5942711 | Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc (USA) |
| Reference | Meaning |
|---|---|
| 5942711 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
| 1S0-S-000-000-11084 | 5/9 Secondary reference Teledyne Wireless, Llc Dba Teledyne Microwave Solutions |
NSN 5985-01-250-1668 is a Isolator,radio Frequency Reflect, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-250-1668 has 4 manufacturer part numbers on file: 5942711 (Merrimac Industries, Inc), 1206950 (Lockheed Martin Corporation Div Rms - Mitchel Field), 143X1 (Junction Devices Inc), 5942711 (Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc).
Key specifications for 1206950: Overall Length: 2.380 INCHES NOMINAL IN; Overall Width: 1.630 INCHES NOMINAL IN; Frequency Range Rating: +10.25 TO 10.50 GIGAHERTZ. 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 5985-01-250-1668 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.