The Base,antenna Support, cataloged under National Stock Number 5985-00-412-3290, 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 L3harris Technologies, Inc.. Government technical data includes 11 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 | 5985-00-412-3290 |
| Primary Part Number | 2158420G001 |
| Item Name | Base,antenna Support |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | L3harris Technologies, Inc. |
| Status | ACTIVE |
| Mounting Facility Quantity | 12 |
| Overall Diameter | 41.490 INCHES MINIMUM AND 41.510 INCHES MAXIMUM IN |
| Mounting Facility Circle Radius | 8.970 INCHES MINIMUM AND 9.030 INCHES MAXIMUM IN |
| Mounting Method | UNTHREADED HOLE(S) |
| Mounting Hole Diameter | 2.245 INCHES MINIMUM AND 2.255 INCHES MAXIMUM IN |
| Angle Between Adjacent Mounting Facilities in Deg | 30.5 AND 29.5 |
| Basic Shape Style | CUP |
| Distance Between Mounting Facility Centers | 21.206 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Main Body Inside Diameter | 34.905 INCHES MINIMUM AND 34.915 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 6061 |
| Mounting Hole Type | PLAIN |
| 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 |
|---|---|
| 2158420G001 PRIMARY | L3harris Technologies, Inc. (USA) |
NSN 5985-00-412-3290 is a Base,antenna Support, manufactured by L3harris Technologies, Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-412-3290 has 1 manufacturer part number on file: 2158420G001 (L3harris Technologies, Inc.).
Key specifications for 2158420G001: Overall Height: 1.370 INCHES MINIMUM AND 1.380 INCHES MAXIMUM IN; Mounting Facility Quantity: 12; Overall Diameter: 41.490 INCHES MINIMUM AND 41.510 INCHES MAXIMUM IN; Mounting Facility Circle Radius: 8.970 INCHES MINIMUM AND 9.030 INCHES MAXIMUM IN. 11 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 5985-00-412-3290 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.