The Lobe Switch,antenna, cataloged under National Stock Number 5985-00-562-4310, 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 Viking Technologies, Ltd.. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5985-00-562-4310 |
| Primary Part Number | FTC159-3171 |
| Item Name | Lobe Switch,antenna |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Viking Technologies, Ltd. |
| Status | ACTIVE |
| FSC Application Data | AIRBORNE RADIO NAVIGATION SET |
| Lobing Method | SWITCH |
| Motor | NOT INCLUDED |
| Mounting Configuration | 4 MTG HOLES 0.136 IN. DIA ON 1.250 IN. BY 1.312 IN. MTG CENTERS IN |
| Material | STEEL CASE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| FTC159-3171 | Viking Technologies, Ltd. (USA) |
| 159-3171 | Viking Technologies, Ltd. (USA) |
| Reference | Meaning |
|---|---|
| G65P5092 | 5/2 Secondary reference U.S. Government activity |
| C1299 | 3/9 Design control — primary reference James Electronics Inc |
NSN 5985-00-562-4310 is a Lobe Switch,antenna, manufactured by Viking Technologies, Ltd., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-562-4310 has 2 manufacturer part numbers on file: FTC159-3171 (Viking Technologies, Ltd.), 159-3171 (Viking Technologies, Ltd.).
1 possible match (shared part number, not a government interchangeability claim): 6685-01-370-6120. Verify interchangeability with system specifications before substitution.
Key specifications for FTC159-3171: Overall Height: 1.250 INCHES NOMINAL IN; FSC Application Data: AIRBORNE RADIO NAVIGATION SET; Lobing Method: SWITCH; Motor: NOT INCLUDED. 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.
NSN 5985-00-562-4310 has DEMIL Code D. 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.