The Base,antenna Support, cataloged under National Stock Number 5985-01-199-5481, 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 5 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-199-5481 |
| Primary Part Number | 12311834-1 |
| 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 |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Overall Diameter | 6.500 INCHES NOMINAL IN |
| Basic Shape Style | CYLINDRICAL |
| Surface Treatment | PAINT |
| Material | ALUMINUM ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 12311834-1 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 12311834-1 | Starwin Industries, Llc (USA) |
| 12311834-1 | Endicott Precision, Inc. Dba Endicott Precision Inc (USA) |
| Reference | Meaning |
|---|---|
| 12311834-1 | 5/9 Secondary reference Drs Sustainment Systems, Inc. |
NSN 5985-01-199-5481 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 5985-01-199-5481 has 3 manufacturer part numbers on file: 12311834-1 (U S Army Tank Automotive Command Amsta-Im-Mm), 12311834-1 (Starwin Industries, Llc), 12311834-1 (Endicott Precision, Inc. Dba Endicott Precision Inc).
Key specifications for 12311834-1: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Overall Diameter: 6.500 INCHES NOMINAL IN; Overall Length: 8.000 INCHES NOMINAL IN; Basic Shape Style: CYLINDRICAL. 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.
NSN 5985-01-199-5481 has DEMIL Code Q. 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.