The Line,radio Frequency Transmissio, cataloged under National Stock Number 5985-00-341-5949, 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 Caes Mission Systems Llc. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-341-5949 |
| Primary Part Number | 12574-1 |
| Item Name | Line,radio Frequency Transmissio |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Caes Mission Systems Llc |
| Status | ACTIVE |
| Insulation Spacer Shape | DISC |
| Tubing Inside Diameter | 0.291 INCHES NOMINAL IN |
| Conductor Quantity | 1 |
| Outside Diameter | 0.875 INCHES NOMINAL IN |
| Accommodated Conductor Type | COAXIAL |
| Characteristic Impedance in Ohms | 50.0 |
| Tubing Outside Diameter | 0.341 INCHES NOMINAL IN |
| Surface Treatment | SILVER CONDUCTOR |
| Material | COPPER ALLOY |
| Operating Voltage Rating | 5.0 KILOVOLTS |
| 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 |
|---|---|
| 12574-1 | Caes Mission Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| G2106D003 | 3/9 Design control — primary reference Naval Shore Electronics Engineering Activity 4th Naval District |
NSN 5985-00-341-5949 is a Line,radio Frequency Transmissio, manufactured by Caes Mission Systems Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-341-5949 has 1 manufacturer part number on file: 12574-1 (Caes Mission Systems Llc).
2 possible matches (shared part number, not a government interchangeability claim): 4730-00-406-6742, 5998-00-948-0516. Verify interchangeability with system specifications before substitution.
Key specifications for 12574-1: Insulation Spacer Shape: DISC; Tubing Inside Diameter: 0.291 INCHES NOMINAL IN; Conductor Quantity: 1; Outside Diameter: 0.875 INCHES NOMINAL IN. 10 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.