The Base,antenna Support, cataloged under National Stock Number 5985-00-856-2989, 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 Argent Industries, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5985-00-856-2989 |
| Primary Part Number | SM-C-415343 |
| Item Name | Base,antenna Support |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Argent Industries, Inc. |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Mounting Facility Quantity | 1 |
| Mounting Method | CLAMP |
| Basic Shape Style | IRREGULAR |
| Surface Treatment | PAINT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SM-C-415343 | Argent Industries, Inc. (USA) |
| A11820 | Autodyne Manufacturing Co Inc (USA) |
| Reference | Meaning |
|---|---|
| SM-C-415343 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-00-856-2989 is a Base,antenna Support, manufactured by Argent Industries, Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-856-2989 has 2 manufacturer part numbers on file: SM-C-415343 (Argent Industries, Inc.), A11820 (Autodyne Manufacturing Co Inc).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-101-0477. Verify interchangeability with system specifications before substitution.
Key specifications for SM-C-415343: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Mounting Facility Quantity: 1; Mounting Method: CLAMP; Basic Shape Style: IRREGULAR. 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.
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.