The Coupler,transmission Line, cataloged under National Stock Number 5985-01-370-2097, 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 Lockheed Martin Corporation Div Rms. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-370-2097 |
| Primary Part Number | 1209241-201 |
| Item Name | Coupler,transmission Line |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Input Impedance Rating in Ohms | 50.0 |
| Radio Frequency Rating | 1.0 GIGAHERTZ MINIMUM AND 2.0 GIGAHERTZ MAXIMUM |
| Unit Type | COAXIAL LINE |
| Mounting Configuration | TWO 0.125 IN. DIAMETER MTG HOLES SPACED 1.750 IN. APART IN |
| Material | ALUMINUM |
| Output Impedance Rating in Ohms | 50.0 |
| 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 |
|---|---|
| 1209241-201 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| ZA3PD-2-2 | Scientific Components Corp Dba Mini-Circuits (USA) |
| Reference | Meaning |
|---|---|
| 1209241-201 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
NSN 5985-01-370-2097 is a Coupler,transmission Line, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-370-2097 has 2 manufacturer part numbers on file: 1209241-201 (Lockheed Martin Corporation Div Rms), ZA3PD-2-2 (Scientific Components Corp Dba Mini-Circuits).
Key specifications for 1209241-201: Overall Height: 0.750 INCHES NOMINAL IN; Input Impedance Rating in Ohms: 50.0; Radio Frequency Rating: 1.0 GIGAHERTZ MINIMUM AND 2.0 GIGAHERTZ MAXIMUM; Overall Length: 2.000 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.
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.