The Coupler,rotary,radio Frequency, cataloged under National Stock Number 5985-01-079-7813, 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 Diamond Antenna & Microwave Corporation. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-079-7813 |
| Primary Part Number | D1C-C-15-2120F |
| Item Name | Coupler,rotary,radio Frequency |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Diamond Antenna & Microwave Corporation |
| Status | ACTIVE |
| Overall Diameter | 1.625 INCHES NOMINAL IN |
| Precious Material | RHODIUM AND SILVER |
| Radio Frequency Rating | 0.0 HERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM |
| Unit Type | COAXIAL LINE |
| Mounting Configuration | FOUR 0.625 IN. DIAMETER MOUNTING HOLES EQUALLY SPACED ON 1.250 IN. DIAMETER BOLT CIRCLE IN |
| Precious Material and Location | EXTERNAL SURFACE RHODIUM AND EXTERNAL SURFACES SILVER |
| Material | COPPER ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| D1C-C-15-2120F | Diamond Antenna & Microwave Corporation (USA) |
| DIC15-2120F | Diamond Antenna & Microwave Corporation (USA) |
| Reference | Meaning |
|---|---|
| C15-2120F | 5/9 Secondary reference Diamond Antenna & Microwave Corporation |
| 20-822004-1 | 3/9 Design control — primary reference General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems |
NSN 5985-01-079-7813 is a Coupler,rotary,radio Frequency, manufactured by Diamond Antenna & Microwave Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-079-7813 has 2 manufacturer part numbers on file: D1C-C-15-2120F (Diamond Antenna & Microwave Corporation), DIC15-2120F (Diamond Antenna & Microwave Corporation).
Key specifications for D1C-C-15-2120F: Overall Diameter: 1.625 INCHES NOMINAL IN; Precious Material: RHODIUM AND SILVER; Radio Frequency Rating: 0.0 HERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM; Overall Length: 2.400 INCHES NOMINAL IN. 7 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.
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.