The Antenna, cataloged under National Stock Number 5985-01-657-2918, 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 Trimble Military and Advanced Systems, Inc. Dba Trimble Navigation. Government technical data includes 5 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-657-2918 |
| Primary Part Number | 66800-40 |
| Item Name | Antenna |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Trimble Military and Advanced Systems, Inc. Dba Trimble Navigation |
| Status | ACTIVE |
| Mounting Method | MAGNETIC |
| Characteristic Impedance in Ohms | 50.0 ALL ANTENNAS |
| Frequency Rating | 1575.42 MEGAHERTZ MAXIMUM ALL ANTENNAS |
| Power Gain in Decibels | 28.0 ALL ANTENNAS |
| Coaxial Connector Series Designation | SMA 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 |
|---|---|
| 66800-40 PRIMARY | Trimble Military and Advanced Systems, Inc. Dba Trimble Navigation (USA) |
NSN 5985-01-657-2918 is a Antenna, manufactured by Trimble Military and Advanced Systems, Inc. Dba Trimble Navigation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-657-2918 has 1 manufacturer part number on file: 66800-40 (Trimble Military and Advanced Systems, Inc. Dba Trimble Navigation).
1 possible match (shared part number, not a government interchangeability claim): 5985-01-657-5098. Verify interchangeability with system specifications before substitution.
Key specifications for 66800-40: Overall Height: 12.9 MILLIMETERS NOMINAL MM; Mounting Method: MAGNETIC; Overall Length: 37.4 MILLIMETERS NOMINAL MM; Overall Width: 34.0 MILLIMETERS NOMINAL MM. 5 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.