The Antenna, cataloged under National Stock Number 5985-01-606-2149, 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 Vaisala Inc.. Government technical data includes 4 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 | 5985-01-606-2149 |
| Primary Part Number | RM31 |
| Item Name | Antenna |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Vaisala Inc. |
| Status | ACTIVE |
| Beam Scanning Method | FIXED ALL ANTENNAS |
| Design Type | VERTICAL ALL ANTENNAS |
| Mounting Method | BASE |
| Radiation Pattern | OMNIDIRECTIONAL ALL ANTENNAS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| RM31 PRIMARY | Vaisala Inc. (USA) |
NSN 5985-01-606-2149 is a Antenna, manufactured by Vaisala Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-606-2149 has 1 manufacturer part number on file: RM31 (Vaisala Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5895-01-619-6423. Verify interchangeability with system specifications before substitution.
Key specifications for RM31: Beam Scanning Method: FIXED ALL ANTENNAS; Design Type: VERTICAL ALL ANTENNAS; Mounting Method: BASE; Radiation Pattern: OMNIDIRECTIONAL ALL ANTENNAS. 4 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 5985-01-606-2149 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.