The Base,antenna Support, cataloged under National Stock Number 5985-01-677-6557, 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 U S Army Tank Automotive Command Amsta-Im-Mm. 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 | 5985-01-677-6557 |
| Primary Part Number | 12584842-1 |
| Item Name | Base,antenna Support |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 |
| Surface Treatment Document and Classification | MIL-DTL-5541 TYPE II CLASS 3 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-DTL-53022 MIL SPEC 2ND TREATMENT RESPONSE AND MIL MIL SPEC 3RD TREATMENT RESPONSE |
| Mounting Method | UNTHREADED HOLE(S) |
| Material Document and Classification | ASTM-B209 ASSN STD SINGLE MATERIAL RESPONSE |
| Mounting Hole Diameter | 0.432 INCHES NOMINAL IN |
| Basic Shape Style | U-SHAPE |
| Distance Between Mounting Facility Centers | 5.0 INCHES NOMINAL AND 9.25 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Surface Treatment | PAINT |
| Special Markings | 19207 12584842-1 |
| Material | ALUMINUM ALLOY 5052 |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 12584842-1 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5985-01-677-6557 is a Base,antenna Support, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-677-6557 has 1 manufacturer part number on file: 12584842-1 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12584842-1: Overall Height: 2.0 INCHES NOMINAL IN; Mounting Facility Quantity: 4; Surface Treatment Document and Classification: MIL-DTL-5541 TYPE II CLASS 3 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-DTL-53022 MIL SPEC 2ND TREATMENT RESPONSE AND MIL MIL SPEC 3RD TREATMENT RESPONSE; Mounting Method: UNTHREADED HOLE(S). 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.
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.