The Base,antenna Support, cataloged under National Stock Number 5985-00-174-1998, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-174-1998 |
| Item Name | Base,antenna Support |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| FSC Application Data | RADAR SET,NONAIRBORNE,EXCEPT FIRE CONTROL AND GUIDED MISSILE |
| Mounting Facility Quantity | 4 |
| Mounting Method | UNTHREADED HOLE(S) |
| Mounting Hole Diameter | 0.406 INCHES NOMINAL IN |
| Distance Between Mounting Facility Centers | 2.125 INCHES NOMINAL SECOND MOUNTING FACILITY IN |
| Distance Between Mounting Facility Centers | 6.500 INCHES NOMINAL FIRST MOUNTING FACILITY IN |
| Surface Treatment | ENAMEL |
| Material | ALUMINUM ALLOY |
| Mounting Hole Type | PLAIN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| AE1509D | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-00-174-1998 is a Base,antenna Support, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-00-174-1998: FSC Application Data: RADAR SET,NONAIRBORNE,EXCEPT FIRE CONTROL AND GUIDED MISSILE; Mounting Facility Quantity: 4; Mounting Method: UNTHREADED HOLE(S); Mounting Hole Diameter: 0.406 INCHES NOMINAL IN. 9 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.