The Antenna, cataloged under National Stock Number 5985-01-691-2990, 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 Navy, United States Department of the Spawar Dba Space and Naval Wafare Command. Government technical data includes 9 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 | 5985-01-691-2990 |
| Primary Part Number | AD511-2 |
| Item Name | Antenna |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Navy, United States Department of the Spawar Dba Space and Naval Wafare Command |
| Status | ACTIVE |
| Voltage Rating in Volts | 24.0 DC SINGLE ANTENNA ELEMENT |
| Mounting Hole Quantity | 4 |
| Terminal Type | RECEPTACLE, COAXIAL SINGLE ANTENNA ELEMENT |
| Design Type | DIPOLE SINGLE ANTENNA ELEMENT |
| Mounting Method | BRACKET(S) |
| Electromagnetic Polarization Type | CIRCULAR SINGLE ANTENNA ELEMENT |
| Operating Temp Range | -40.0 TO 85.0 CELSIUS DEGC |
| Frequency Rating | 1610.0 MEGAHERTZ MINIMUM AND 1630.0 MEGAHERTZ MAXIMUM SINGLE ANTENNA ELEMENT |
| Coaxial Connector Series Designation | RF SINGLE ANTENNA ELEMENT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5985-01-691-2990 is a Antenna, manufactured by Navy, United States Department of the Spawar Dba Space and Naval Wafare Command, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-691-2990 has 2 manufacturer part numbers on file: AD511-2 (Navy, United States Department of the Spawar Dba Space and Naval Wafare Command), AD511-2 (Iridium Satellite Llc).
Key specifications for AD511-2: Voltage Rating in Volts: 24.0 DC SINGLE ANTENNA ELEMENT; Mounting Hole Quantity: 4; Overall Height: 70.0 MILLIMETERS NOMINAL MM; Terminal Type: RECEPTACLE, COAXIAL SINGLE ANTENNA ELEMENT. 9 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.