The Isolator,radio Frequency Reflect, cataloged under National Stock Number 5985-01-042-1389, 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 Frequency Electronics Inc. Government technical data includes 11 specifications, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-01-042-1389 |
| Primary Part Number | C1-1075-1 |
| Item Name | Isolator,radio Frequency Reflect |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Frequency Electronics Inc |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Controlling Agency | SYLVANIA ELECTRONICS |
| Flange Quantity | 1 |
| Trade Designation | CONNECTOR RECEPTACLE |
| Flange Type | COVER |
| Identifying Number | SMA TYPE NO. |
| Flange Connecting Hole Diameter | 0.169 INCHES MINIMUM IN |
| Connector Quantity | 1 |
| Frequency Range Rating | +12.4 TO 18.0 GIGAHERTZ |
| Flange Connecting Hole Spacing | SPACED ON 1.280 IN. BY 1.220 IN. CENTERS IN |
| Flange Connection Facility Quantity | 4 |
| 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 |
|---|---|
| C1-1075-1 | Frequency Electronics Inc (USA) |
| Reference | Meaning |
|---|---|
| 2WX-8191-P | 5/9 Secondary reference Scintrex Inc |
| C1-1075-1 | 5/9 Secondary reference Fei Microwave Inc |
| C11075-1 | 5/9 Secondary reference Fei Microwave Inc |
| 20-811543-2 | 3/9 Design control — primary reference General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems |
NSN 5985-01-042-1389 is a Isolator,radio Frequency Reflect, manufactured by Frequency Electronics Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-042-1389 has 1 manufacturer part number on file: C1-1075-1 (Frequency Electronics Inc).
Key specifications for C1-1075-1: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Controlling Agency: SYLVANIA ELECTRONICS; Flange Quantity: 1; Trade Designation: CONNECTOR RECEPTACLE. 11 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 5985-01-042-1389 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.