The Antenna, cataloged under National Stock Number 5985-01-657-2531, 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 Arcadian Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-01-657-2531 |
| Primary Part Number | EXR420TN-001 |
| Item Name | Antenna |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Arcadian Inc |
| Status | ACTIVE |
| Characteristic Impedance in Ohms | 50.0 ALL ANTENNAS |
| Frequency Rating | 420.0 MEGAHERTZ MINIMUM AND 450.0 MEGAHERTZ MAXIMUM ALL ANTENNAS |
| Power Gain in Decibels | 2.5 ALL ANTENNAS |
| Power Rating | 50.0 WATTS AVERAGE ALL ANTENNAS |
| 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 |
|---|---|
| EXR420TN-001 PRIMARY | Arcadian Inc (USA) |
| 30-004102-02 PRIMARY | Arwest Communications Corporation (USA) |
| Reference | Meaning |
|---|---|
| EXR420TN-001 | 5/9 Secondary reference Laird Technologies, Incapm Inc Dba Apm Div Emi Division |
| 1009783 | 7/2 Vendor item drawing reference Technology Advancement Group, Inc |
NSN 5985-01-657-2531 is a Antenna, manufactured by Arcadian Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-657-2531 has 2 manufacturer part numbers on file: EXR420TN-001 (Arcadian Inc), 30-004102-02 (Arwest Communications Corporation).
Key specifications for EXR420TN-001: Overall Length: 7.0 INCHES NOMINAL IN; Characteristic Impedance in Ohms: 50.0 ALL ANTENNAS; Frequency Rating: 420.0 MEGAHERTZ MINIMUM AND 450.0 MEGAHERTZ MAXIMUM ALL ANTENNAS; Power Gain in Decibels: 2.5 ALL ANTENNAS. 4 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.