The Base,mast, cataloged under National Stock Number 5985-01-372-9580, 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 7 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-372-9580 |
| Primary Part Number | 12384059 |
| Item Name | Base,mast |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Mounting Facility Quantity | 2 |
| Overall Diameter | 4.250 INCHES NOMINAL IN |
| Mounting Method | UNTHREADED HOLE(S) |
| Mounting Hole Diameter | 0.406 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN |
| Basic Shape Style | CYLINDRICAL |
| Distance Between Mounting Facility Centers | 2.625 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| 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 |
NSN 5985-01-372-9580 is a Base,mast, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-372-9580 has 2 manufacturer part numbers on file: 12384059 (U S Army Tank Automotive Command Amsta-Im-Mm), 12384059 (Amz Alabama Inc.).
Key specifications for 12384059: Mounting Facility Quantity: 2; Overall Diameter: 4.250 INCHES NOMINAL IN; Mounting Method: UNTHREADED HOLE(S); Mounting Hole Diameter: 0.406 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN. 7 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.