The Antenna, cataloged under National Stock Number 5985-01-666-1855, 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 Pctel Antenna Products Group Inc. Government technical data includes 7 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 | 5985-01-666-1855 |
| Primary Part Number | 3978D |
| Item Name | Antenna |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Pctel Antenna Products Group Inc |
| Status | ACTIVE |
| Voltage Rating in Volts | 2.7 DC OR 5.5 DC SINGLE ANTENNA ELEMENT |
| Overall Diameter | 2.36 INCHES NOMINAL IN |
| Mounting Method | BRACKET(S) OR UNTHREADED HOLE(S) |
| Mounting Hole Diameter | 0.75 INCHES NOMINAL IN |
| Environmental Protection | WEATHERPROOF AND CORROSION PROOF |
| Operating Temp Range | -40.0 TO 85.0 CELSIUS DEGC |
| Frequency Rating | 1575.42 MEGAHERTZ NOMINAL 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 |
|---|---|
| 3978D PRIMARY | Pctel Antenna Products Group Inc (USA) |
NSN 5985-01-666-1855 is a Antenna, manufactured by Pctel Antenna Products Group Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-666-1855 has 1 manufacturer part number on file: 3978D (Pctel Antenna Products Group Inc).
Key specifications for 3978D: Voltage Rating in Volts: 2.7 DC OR 5.5 DC SINGLE ANTENNA ELEMENT; Overall Height: 0.83 INCHES NOMINAL IN; Overall Diameter: 2.36 INCHES NOMINAL IN; Mounting Method: BRACKET(S) OR UNTHREADED HOLE(S). 7 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.