The Antenna, cataloged under National Stock Number 5985-01-645-1407, 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 Iridium Satellite Llc. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-645-1407 |
| Primary Part Number | AT1621-5 |
| Item Name | Antenna |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Iridium Satellite Llc |
| Status | ACTIVE |
| Mounting Hole Quantity | 1 |
| Terminal Type | RECEPTACLE, COAXIAL SINGLE ANTENNA ELEMENT |
| Design Type | CIRCULAR ARRAY SINGLE ANTENNA ELEMENT |
| Overall Diameter | 89.0 MILLIMETERS NOMINAL MM |
| Mounting Method | BOLT |
| Radiation Pattern | OMNIDIRECTIONAL SINGLE ANTENNA ELEMENT |
| Mounting Hole Diameter | 16.0 MILLIMETERS NOMINAL MM |
| Characteristic Impedance in Ohms | 50.0 SINGLE ANTENNA ELEMENT |
| Electromagnetic Polarization Type | RIGHT CIRCULAR SINGLE ANTENNA ELEMENT |
| Frequency Rating | 1616.0 MEGAHERTZ MINIMUM AND 1626.0 MEGAHERTZ MAXIMUM SINGLE ANTENNA ELEMENT |
| Furnished Items | ELECTRICAL CABLE |
| Coaxial Connector Series Designation | TNC 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 |
| Part Number | Manufacturer |
|---|---|
| AT1621-5 PRIMARY | Iridium Satellite Llc (USA) |
NSN 5985-01-645-1407 is a Antenna, manufactured by Iridium Satellite Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-645-1407 has 1 manufacturer part number on file: AT1621-5 (Iridium Satellite Llc).
Key specifications for AT1621-5: Mounting Hole Quantity: 1; Overall Height: 21.0 MILLIMETERS NOMINAL MM; Terminal Type: RECEPTACLE, COAXIAL SINGLE ANTENNA ELEMENT; Design Type: CIRCULAR ARRAY SINGLE ANTENNA ELEMENT. 12 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.