The Antenna, cataloged under National Stock Number 5985-01-643-3872, 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 Shakespeare Company, Llc Div Military Electronics. Government technical data includes 3 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-643-3872 |
| Primary Part Number | MD23-AIS |
| Item Name | Antenna |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Shakespeare Company, Llc Div Military Electronics |
| Status | ACTIVE |
| Design Type | HELICAL SINGLE ANTENNA ELEMENT |
| Frequency Rating | 161.975 MEGAHERTZ MINIMUM AND 162.025 MEGAHERTZ MAXIMUM FIRST ANTENNA |
| Power Rating | 50.0 WATTS PEAK FIRST ANTENNA |
| 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 |
|---|---|
| MD23-AIS PRIMARY | Shakespeare Company, Llc Div Military Electronics (USA) |
| 818-MD23-AIS | Sm Group (europe) Ltd (GBR) |
NSN 5985-01-643-3872 is a Antenna, manufactured by Shakespeare Company, Llc Div Military Electronics, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-643-3872 has 2 manufacturer part numbers on file: MD23-AIS (Shakespeare Company, Llc Div Military Electronics), 818-MD23-AIS (Sm Group (europe) Ltd).
Key specifications for MD23-AIS: Design Type: HELICAL SINGLE ANTENNA ELEMENT; Overall Length: 310.0 MILLIMETERS NOMINAL MM; Special Features: 3 DBI GAIN; Frequency Rating: 161.975 MEGAHERTZ MINIMUM AND 162.025 MEGAHERTZ MAXIMUM FIRST ANTENNA. 3 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.