The Switch,antenna Unit, cataloged under National Stock Number 5985-01-490-5162, 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 Drs Signal Solutions, Inc.. Government technical data includes 1 specification, 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 | 5985-01-490-5162 |
| Primary Part Number | WJ-8991/ASU |
| Item Name | Switch,antenna Unit |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Drs Signal Solutions, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | 20-1200 MHZ; -20 TO 60 DEG C OPERATING TEMP; EXTERNAL UNIT; ALLOWS SIMULTANEOUS CONNECTION OF BOTH THE WJ-9887 VHF/UHF DF ANTENNA AND THE WJ-9886 HF DF ARRAY MHz |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| WJ-8991/ASU PRIMARY | Drs Signal Solutions, Inc. (USA) |
NSN 5985-01-490-5162 is a Switch,antenna Unit, manufactured by Drs Signal Solutions, Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-490-5162 has 1 manufacturer part number on file: WJ-8991/ASU (Drs Signal Solutions, Inc.).
Key specifications for WJ-8991/ASU: General Characteristics Item Description: 20-1200 MHZ; -20 TO 60 DEG C OPERATING TEMP; EXTERNAL UNIT; ALLOWS SIMULTANEOUS CONNECTION OF BOTH THE WJ-9887 VHF/UHF DF ANTENNA AND THE WJ-9886 HF DF ARRAY MHz. 1 specification is 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.
NSN 5985-01-490-5162 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.