The Isolator,radio Frequency Reflect, cataloged under National Stock Number 5985-01-039-2779, 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 General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-039-2779 |
| Primary Part Number | 20-808545-9 |
| Item Name | Isolator,radio Frequency Reflect |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems |
| Status | ACTIVE |
| Controlling Agency | GTE SYLVANIA INC |
| Trade Designation | CONNECTOR FEMALE |
| Identifying Number | OSM TYPE NO. |
| Connector Quantity | 2 |
| Frequency Range Rating | +4.145 TO 8.175 GIGAHERTZ |
| 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 |
|---|---|
| 20-808545-9 | General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems (USA) |
| T-4S63T-19 | Teledyne Defense Electronics, Llc Dba Teledyne Microwave Solutions (USA) |
| Reference | Meaning |
|---|---|
| 2JC-4080-8 | 3/9 Design control — primary reference Crane Electronics, Inc. Dba Stc Microwave Systems Div Signal Technology Corporation |
NSN 5985-01-039-2779 is a Isolator,radio Frequency Reflect, manufactured by General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-039-2779 has 2 manufacturer part numbers on file: 20-808545-9 (General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems), T-4S63T-19 (Teledyne Defense Electronics, Llc Dba Teledyne Microwave Solutions).
Key specifications for 20-808545-9: Overall Height: 0.830 INCHES NOMINAL IN; Controlling Agency: GTE SYLVANIA INC; Trade Designation: CONNECTOR FEMALE; Identifying Number: OSM TYPE NO.. 5 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 5985-01-039-2779 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.