The Coupler,rotary,radio Frequency, cataloged under National Stock Number 5985-01-413-9934, 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 Spectrum Microwave, Inc.. Government technical data includes 6 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-413-9934 |
| Primary Part Number | 345C |
| Item Name | Coupler,rotary,radio Frequency |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Spectrum Microwave, Inc. |
| Status | ACTIVE |
| Overall Diameter | 0.500 INCHES NOMINAL IN |
| Precious Material | GOLD AND SILVER |
| Radio Frequency Rating | 0.0 GIGAHERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM |
| Unit Type | COAXIAL LINE |
| Precious Material and Location | CONTACT SURFACES GOLD AND CONTACT SURFACES SILVER |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 345C PRIMARY | Spectrum Microwave, Inc. (USA) |
NSN 5985-01-413-9934 is a Coupler,rotary,radio Frequency, manufactured by Spectrum Microwave, Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-413-9934 has 1 manufacturer part number on file: 345C (Spectrum Microwave, Inc.).
Key specifications for 345C: Overall Diameter: 0.500 INCHES NOMINAL IN; Precious Material: GOLD AND SILVER; Radio Frequency Rating: 0.0 GIGAHERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM; Overall Length: 1.880 INCHES NOMINAL IN. 6 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 5985-01-413-9934 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.